Home Practice
For learners and parents For teachers and schools
Textbooks
Full catalogue
Leaderboards
Learners Leaderboard Classes/Grades Leaderboard Schools Leaderboard
Pricing Support
Help centre Contact us
Log in

We think you are located in United States. Is this correct?

We use this information to present the correct curriculum and to personalise content to better meet the needs of our users.

Image attributions

List of image attributions for Life Sciences Grade 10

  • No title by Morgan Commins under CC-BY licence
  • No title by Morgan Commins under CC-BY licence
  • No title by Morgan Commins under CC-BY licence
  • No title by Morgan Commins under CC-BY licence
  • reef1448 by NOAA photo library under CC-BY 2.0 licence at https://www.flickr.com/photos/noaaphotolib/5015134606/in/photostream/
  • reef1247 by NOAA photo library under CC-BY 2.0 licence at https://www.flickr.com/photos/noaaphotolib/5015134356
  • Estuary – Knysna, South Africa by TravelingOtter under CC-BY 2.0 licence at http://www.flickr.com/photos/travelingotter/8092026294/sizes/z/
  • No title by Brice under CC-BY licence
  • Negri-Nepot Temperate Grasslands in New Jersey by Samuel Freli under Public domain licence at http://en.wikipedia.org/wiki/File:Negri.JPG
  • Grassland by Ruben Holthuijsen under CC-BY 2.0 licence at https://www.flickr.com/photos/rubenholthuijsen/5483275739/in/photostream
  • Nothing to see here by hyper7pro under CC-BY 2.0 licence at http://www.flickr.com/photos/hyper7/10887485183/
  • QENP Savannah by sarahemcc under CC-BY 2.0 licence at https://www.flickr.com/photos/sarah_mccans/294500075
  • Light and shadow, Karoo by flowcomm under CC-BY 2.0 licence at https://www.flickr.com/photos/flowcomm/4511524547
  • Forest lake in summer by Axel-D under CC-BY 2.0 licence at http://www.flickr.com/photos/axel-d/
  • Knysna Forest00 by Androstachys under Public domain licence at http://en.wikipedia.org/wiki/File:Knysna_Forest00.jpg
  • Fynbos on Cape Point by Graeme Churchard under CC-BY 2.0 licence at https://www.flickr.com/photos/graeme/4183321986/
  • Fynbos on Cape Point by Graeme Churchard under CC-BY 2.0 licence at https://www.flickr.com/photos/graeme/4221962187
  • Eagle in uMdloti by Craig, at Twelve Photography under CC-BY 2.0 licence at http://www.flickr.com/photos/xiipics/3458459379/
  • Simpson Desert by tensaibuta under CC-BY 2.0 licence at https://www.flickr.com/photos/97657657@N00/1918688483
  • No title by Heather Williams under CC-BY licence
  • Hydrangea by Sids1 under CC-BY 2.0 licence at http://www.flickr.com/photos/sids1/with/1512439371/\#photo_1512439371
  • No title by Brice under CC-BY licence
  • No title by Heather Williams under CC-BY licence
  • The water cycle by Atmospheric infrared sounder under CC-BY 2.0 licence at http://www.flickr.com/photos/atmospheric-infrared-sounder/8265072146/sizes/l/
  • No title by Cbusch under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Oxygen_Cycle.jpg
  • No title by Miles Jarvis under CC-BY licence
  • No title by anonymous under CC-BY-SA licence at http://en.wikipedia.org/wiki/File:Nitrogen_Cycle.svg
  • Table mountain by George Groutas under CC-BY 2.0 licence at https://www.flickr.com/photos/jorge-11/4787235828/in/photostream/
  • Impala - baby by Vaughan Leiberum under CC-BY 2.0 licence at http://www.flickr.com/photos/laertes_za/5342553910/sizes/l/
  • Geologic clock with events and periods by Hardwigg under Public domain licence at http://commons.wikimedia.org/wiki/File:Geologic_Clock_with_events_and_periods.svg
  • No title by Miles Jarvis under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Heather Williams under CC-BY licence
  • No title by Jillcurie under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Relative_dating_of_fossils.png
  • No title by local government North West Province under unknown licence at http://www.tourismnorthwest.co.za/central/wondergat.html
  • No title by Paul Harrison under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Stromatolites_in_Sharkbay.jpg/
  • Swartpuntiagermsi by Graeme Bartlett under Public domain licence at http://en.wikipedia.org/wiki/File:Swartpuntiagermsi.png/
  • 20110714_SanDiego_Cycad_Cutler_P1150195 by Wendy Cutler under CC-BY 2.0 licence at http://www.flickr.com/photos/wlcutler/5962898357/
  • Growing up by Rachel Titriga under CC-BY 2.0 licence at https://www.flickr.com/photos/pocait/9236456630/in/photostream/
  • Lystrosaurus skeleton by anonymous under Public domain licence at http://www.palaeos.org/File:Lystrosaurus_skeleton.jpg
  • It's kind of like the 'body worlds' exhibit, only much, much older by Scott Heath under CC-BY 2.0 licence at http://www.flickr.com/photos/wscottheath/1033477849/
  • Taung's child by Locutus Borg under Public domain licence at http://commons.wikimedia.org/wiki/File:Taung%27s_child.jpg
  • Phillip Tobias00 by Raasgat under Public domain licence at http://en.wikipedia.org/wiki/File:Phillip_Tobias00.jpg
  • Impact event by NASA under Public domain licence at http://commons.wikimedia.org/wiki/File:Impact_event.jpg
  • Deccan Traps Matheran by Baajhan under CC-BY 3.0 unported licence at http://commons.wikimedia.org/wiki/File:Deccan_Traps_Matheran.jpg
  • Fossilised therapsid (pre-dinosaur), Karoo, South Africa by flowcomm under CC-BY 2.0 licence at http://www.flickr.com/photos/flowcomm/4511632159/sizes/z/
  • Fossil therapsid skull, Karoo national park, South Africa by flowcomm under CC-BY 2.0 licence at https://www.flickr.com/photos/flowcomm/4512305374/
  • No title by Courtesy Albert Mestre. Reference: Rohde, R.A., and Muller, R.A. (2005-03). "Cycles in fossil diversity". Nature 434: 208-210. under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Phanerozoic_Biodiversity.svg
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • Chromosom2 by Lorakesz under Public domain licence at https://commons.wikimedia.org/wiki/File:Chromosom2.svg
  • The cell: an image library image – image CIL:206 by anonymous under Public domain licence at https://www.cellimagelibrary.org/images/204
  • The cell: an image library image – image CIL:206 by anonymous under Public domain licence at https://www.cellimagelibrary.org/images/206
  • The cell: an image library image – image CIL:197 by anonymous under Public domain licence at https://www.cellimagelibrary.org/images/197
  • The cell: an image library image – image CIL:199 by anonymous under Public domain licence at https://www.cellimagelibrary.org/images/199
  • Cytokinesis-electron-micrograph by Wadsworth Center, NY state dept of health under Public domain licence at https://commons.wikimedia.org/wiki/File:Cytokinesis-electron-micrograph.jpg
  • No title by TheAlphaWolf under CC-BY-SA licence at https://commons.wikimedia.org/wiki/File:Unk.cilliate.jpg
  • Varian radiation therapy machine by Dina-Roberts Wakulxzyk under CC-BY 2.0 generic licence at https://www.flickr.com/photos/68982768@N00/490643515/in/photolist-KmFdX-KmFev-Rpzqz-REH8Q-REHaC-2ETmGh-3yEjhj-4o2FoB-4pz18x-4qnhj2-4qniPV-4qnjLP-4qnnm2-4qntMZ-4qrmvS-4qrnym-4qroa1-4qrot7-4qroXG-4qrp9W-4rH2C9-4EL3ZX-4YwyKc-4YAPUN-552Wa4-5EcFDj-5Hzuka-5HzuxH-5HDNaC-5W9TwG-6p8dNX-6CXeBf-6JPSuA-72oDAF-7oyKAf-7umibD-c4diJf-f154Sa-bKpwnX-dsPr9R-dR4JFt-9LL417-bg1fdR-9WTLEj-9WQUWa-9LHhh8-a8Ca8C-a8zigP-a8zhQ4-dD1kBe-cNv9Yb
  • Chemotherapy with acral cooling by Jenny Mealing under CC-BY 2.0 generic licence at https://en.wikipedia.org/wiki/File:Chemotherapy_with_acral_cooling.jpg
  • Hypoxidaceae by Derek Keats under CC-BY 2.0 generic licence at https://www.flickr.com/photos/dkeats/5044697887
  • Sutherlandia frutescens by Malcolm Manners under CC-BY 2.0 generic licence at https://www.flickr.com/photos/mmmavocado/2746669990
  • Lit cigarette by Edbrown05 under Public domain licence at https://commons.wikimedia.org/wiki/File:Lit_cigarette.jpg
  • Club moderne bar anaconda montana by Jet Lowe under Public domain licence at https://en.wikipedia.org/wiki/File:Club_Moderne_bar_Anaconda_Montana.jpg
  • Five peppers colors 1 by MathKnight and Zachi Evenor under CC-BY 3.0 unported licence at https://en.wikipedia.org/wiki/File:Five-Peppers-Colors-1.jpg
  • Stride-q210c by Vitabc under Public domain licence at https://en.wikipedia.org/wiki/File:Stride-q210c.jpg
  • Sun by Oliver Herold under CC-BY 3.0 unported licence at https://commons.wikimedia.org/wiki/File:Sun.jpg
  • Stethoscope2 by Sonarpulse under Public domain licence at https://en.wikipedia.org/wiki/File:Stethoscope-2.png
  • Cancer smoking lung cancer correlation from NIH by Sakurambo under Public domain licence at https://commons.wikimedia.org/wiki/File:Cancer_smoking_lung_cancer_correlation_from_NIH.svg
  • Acacia decurrens (Jardin des Plantes de Paris) 3 by Tangopaso under Public domain licence at http://commons.wikimedia.org/wiki/File:Acacia_decurrens_%28Jardin_des_Plantes_de_Paris%29_3.jpg
  • Picea mariana (black spruce) by Arthur Chapman under CC-BY 2.0 licence at http://www.flickr.com/photos/arthur_chapman/3898377563/in/photostream/
  • No title by MFT under CC-BY-SA licence at http://apbiologywiki.wikispaces.com/Plants
  • Primary and secondary cotton roots by Agricultural Research Service under Public domain licence at http://commons.wikimedia.org/wiki/File:Primary_and_secondary_cotton_roots.jpg
  • Cell-type specificity of TIP-YFP expression in the root axis cropped by Stefano Gattolin under CC-BY 2.0 licence at https://commons.wikimedia.org/wiki/File:Cell-type_specificity_of_TIP-YFP_expression_in_the_root_axis_cropped.jpg
  • Plant nodes c by Knulclunk under Public domain licence at https://commons.wikimedia.org/wiki/File:Plant_nodes_c.jpg
  • Trunk base of a wicked old Coast Redwood tree in Jebediah Smith Redwoods state park simpson reed discovery trail.... by Mark Knowles under CC-BY 2.0 licence at https://www.flickr.com/photos/salmo_gairdneri/2990365226/
  • No title by Miles Jarvis under CC-BY licence
  • No title by Miles Jarvis under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Shihchuan under CC-BY-SA licence at http://www.flickr.com/photos/epingchris/4569895223/
  • Edible cactus CDC by Albert Cahalan under Public domain licence at http://commons.wikimedia.org/wiki/File:Edible_cactus_CDC.jpg
  • Arcto pungens hairs by Stickpen under Public domain licence at http://commons.wikimedia.org/wiki/File:Arcto_pungens_hairs.jpg
  • Spiny leaves by Jayson under CC-BY 2.0 licence at http://www.flickr.com/photos/jay0110/2571667382/
  • Banana: Panama wilt (historical) by Scott Nelson under CC-BY 2.0 licence at https://www.flickr.com/photos/scotnelson/14847516488
  • Guttation ne by Noah Elhardt under Public domain licence at http://commons.wikimedia.org/wiki/File:Guttation_ne.jpg
  • No title by Miles Jarvis under CC-BY licence
  • Milkweed Aphids by Wiedman under CC-BY 2.0 licence at http://creationwiki.org/File:Milkweed_Aphids.jpg
  • No title by None under CC-BY-SA licence at http://apbiologywiki.wikispaces.com/Plants
  • Erica – Fynbos – OlifantsOog Western Cape SA by Abu Shawka under Public domain licence at http://commons.wikimedia.org/wiki/File:Erica_-_Fynbos_-_OlifantsOog_Western_Cape_SA.JPG
  • Ostafrikanisches Spitzmaulnashorn by staycoolandbegood under Public domain licence at http://en.wikipedia.org/wiki/File:Ostafrikanisches_Spitzmaulnashorn.JPG
  • Martial-Eagle-Masai-Mara by Erik A Drablos under CC-BY 3.0 unported licence at http://en.wikipedia.org/wiki/File:Martial-Eagle-Masai-Mara.jpg
  • Atelopus zeteki1 by Brian Gratwicke under CC-BY 2.0 generic licence at http://en.wikipedia.org/wiki/File:Atelopus_zeteki1.jpg
  • Yellow tang carp by Adrian Pingstone under Public domain licence at http://en.wikipedia.org/wiki/File:Yellow.tang.arp.jpg
  • Siproeta epaphus Galawebdesign by Galawebdesign under CC-BY 3.0 unported licence at http://en.wikipedia.org/wiki/File:Siproeta_epaphus_Galawebdesign.jpg
  • No title by Brice under CC-BY licence
  • Aristotle altemps Inv8575 by Jastrow under Public domain licence at http://en.wikipedia.org/wiki/File:Aristotle_Altemps_Inv8575.jpg
  • Carl von Linne by National museum press photo under Public domain licence at http://en.wikipedia.org/wiki/File:Carl_von_Linn%C3%A9.jpg
  • Reverse! Reverse! Reverse! by Azhar Khan under CC-BY 2.0 licence at https://www.flickr.com/photos/akwildshots-backup/6933085010/
  • Blue crane 1 by Tony Hisgett under CC-BY 2.0 licence at https://www.flickr.com/photos/hisgett/4469733951/
  • Prokaryote cell diagram by LadyOfHats under Public domain licence at http://commons.wikimedia.org/wiki/File:Prokaryote_cell_diagram.svg
  • Plant cell structure svg 2 by LadyOfHats under Public domain licence at http://commons.wikimedia.org/w/index.php?title=File:Plant_cell_structure_svg_2.svg
  • Mycobacterium tuberculosis 8438 lores by CDC under Public domain licence at http://commons.wikimedia.org/wiki/File:Mycobacterium_tuberculosis_8438_lores.jpg
  • Staphylococcus aureus VISA 2 by CDC under Public domain licence at http://commons.wikimedia.org/wiki/File:Staphylococcus_aureus_VISA_2.jpg
  • Euglenoid movement by Rogelio Moreno under Public domain licence at http://en.wikipedia.org/wiki/File:Euglenoid_movement.jpg
  • Diatoms through the microscope by Petaholmes / US National oceanic and atmospheric administration under Public domain licence at http://en.wikipedia.org/wiki/File:Diatoms_through_the_microscope.jpg
  • Mushrooms by Red junasun under CC-BY 2.0 licence at https://www.flickr.com/photos/redjunasun/3961433265/
  • North prairie camas and buttercup flowers in grass on field by Jebousek J, US Fish and wildlife service under Public domain licence at http://commons.wikimedia.org/wiki/File:North_prairie_camas_and_buttercup_flowers_in_grass_on_field.jpg
  • Sunflowers by Agricultural research service under Public domain licence at http://commons.wikimedia.org/wiki/File:Sunflowers.jpg
  • Pine by Kristin Kokkersvold under CC-BY 2.0 licence at https://www.flickr.com/photos/62344799@N00/2855754889
  • Barrel cactus with a view by Dominic under Public domain licence at http://en.wikipedia.org/wiki/File:Barrel_cactus_with_a_view.JPG
  • No title by nhoulihan under CC-BY 2.0 licence at https://www.flickr.com/photos/nhoulihan/3713272139
  • rivers5 by Irina Kazanskaya under CC-BY 2.0 licence at https://www.flickr.com/photos/ugra/448121198/
  • Protea cynaroides flower by Da legend under Public domain licence at http://en.wikipedia.org/wiki/File:Protea_cynaroides_flower.jpg
  • Water lily Sambalpur by AkkiDa under Public domain licence at http://en.wikipedia.org/wiki/File:Water_Lily_Sambalpur.jpg
  • reef3859 by NOAA photo library under CC-BY 2.0 licence at https://www.flickr.com/photos/51647007@N08/5015046804/
  • JellyFish 02136 by PrasanthR under Public domain licence at http://commons.wikimedia.org/wiki/File:JellyFish_02136.JPG
  • Bedford's Flatworm by Jan Derk under Public domain licence at http://en.wikipedia.org/wiki/File:Bedford%27s_Flatworm.jpg
  • fish4028 by NOAA photo library under CC-BY 2.0 licence at https://www.flickr.com/photos/51647007@N08/5018038449
  • Nerr0878 by NOAA national estuaries research reserve collection under Public domain licence at http://commons.wikimedia.org/wiki/File:Nerr0878.jpg
  • Festive tiger beetle, side, badlands, pennington Co, SD 2013-12-31-13.45.13 ZS Pmax by Sam Droege under CC-BY 2.0 licence at https://www.flickr.com/photos/usgsbiml/11674652674/
  • Fish by Taras Kalapun under CC-BY 2.0 licence at https://www.flickr.com/photos/xslim/282013946
  • Red eyed tree frog edit2 by Careyjamesbalboa under Public domain licence at http://en.wikipedia.org/wiki/File:Red_eyed_tree_frog_edit2.jpg
  • Jackson's chameleon 2 edit1 by Movingsaletoday under Public domain licence at http://en.wikipedia.org/wiki/File:Jackson%27s_Chameleon_2_edit1.jpg
  • Brid park KL by Phalinn Ooi under CC-BY 2.0 licence at https://www.flickr.com/photos/phalinn/940693213/
  • HansomeLion 002 by Trisha M Shears under Public domain licence at http://en.wikipedia.org/wiki/File:HansomeLion_002.jpg
  • Fire ants 01 by Stephen Ausmus under Public domain licence at http://en.wikipedia.org/wiki/File:Fire_ants_01.jpg
  • Octoglena sierra (family polyzonilidae) (3405605943) by Magnus Manske under CC-BY 2.0 generic licence at http://en.wikipedia.org/wiki/File:Octoglena_sierra_%28Family_Polyzoniidae%29_%283405605943%29.jpg
  • Gecarcinus quadratus (nosara) by Bhny under Public domain licence at http://en.wikipedia.org/wiki/File:Gecarcinus_quadratus_%28Nosara%29.jpg
  • 2012-07-19 21-33-07-tabanus-sp-59f by Dr Relling under CC-BY 2.0 licence at http://www.flickr.com/photos/agder/2794232538/
  • Redback spider underside by William under CC-BY 2.0 licence at http://www.flickr.com/photos/wikiwill/3565053908/
  • Scolopendra cingulata by Eran Finkle under CC-BY 2.0 licence at http://www.flickr.com/photos/finklez/3059997566/
  • Butterfly by Sandro visintin under CC-BY 2.0 licence at http://www.flickr.com/photos/sandro87v/7766020198/
  • Green beetle by Shek Graham under CC-BY 2.0 licence at http://www.flickr.com/photos/shekgraham/83321584/
  • Tongue of bee by Steve Jurvetson under CC-BY 2.0 licence at http://www.flickr.com/photos/jurvetson/41510810/
  • Randinus imperator 2009 G1 by George Chernilevsky under Public domain licence at http://commons.wikimedia.org/wiki/File:Pandinus_imperator_2009_G1.jpg
  • 2012-07-19 21-33-07-tabanus-sp-59f by Thomas Bresson under CC-BY 3.0 unported licence at http://commons.wikimedia.org/wiki/File:2012-07-19_21-33-07-tabanus-sp-59f.jpg
  • Sphex pensylvanicus by Hardyplants under Public domain licence at http://en.wikipedia.org/wiki/File:Sphex_pensylvanicus.jpg
  • Open circulatory system by Andy85719 under Public domain licence at http://commons.wikimedia.org/wiki/File:Open_circulatory_system.svg
  • No title by Brice under CC-BY licence
  • Illu pulmonary circuit by Arcadian under Public domain licence at http://commons.wikimedia.org/wiki/File:Illu_pulmonary_circuit.jpg
  • Circulatory system en by LadyOfHats under Public domain licence at http://en.wikipedia.org/wiki/File:Circulatory_System_en.svg
  • No title by Brice under CC-BY licence
  • No title by Miles Jarvis under CC-BY licence
  • Circulation of blood through the heart by Emilyguitar under Public domain licence at http://commons.wikimedia.org/wiki/File:Circulation_of_Blood_Through_the_Heart.jpg
  • Artery by Lord of Konrad under Public domain licence at http://commons.wikimedia.org/wiki/File:Artery.png
  • No title by Kelvinsong under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Vein.svg
  • Venous valve by Zoofari under Public domain licence at http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Venous_valve.svg/2000px-Venous_valve.svg.png
  • TE-Lymphatic system by TheEmirr under CC-BY 3.0 unported licence at http://commons.wikimedia.org/wiki/File:TE-Lymphatic_system_diagram.svg
  • Anatomy-physiology-ii-chapter-21-cardiovascular-system-vessels-and-circulation by nuhman10 under Public domain licence at http://www.docstoc.com/docs/77292219/anatomy-physiology-ii-chapter-21-cardiovascular-system-vessels-and-circulation
  • Ethiopian farmer affected by Podoconiosis – NIH – March 2011 by NIH under Public domain licence at http://commons.wikimedia.org/wiki/File:Ethiopian_Farmer_affected_by_Podoconiosis_-_NIH_-_March_2011.jpg
  • No title by Miles Jarvis under CC-BY licence
  • No title by NIH under Public domain licence
  • Grade 1 hypertension by Steven Fruitsmaak under CC-BY 3.0 unported licence at http://en.wikipedia.org/wiki/File:Grade_1_hypertension.jpg
  • Ischemic stroke by NIH under Public domain licence at http://www.nhlbi.nih.gov/health/health-topics/topics/stroke/types
  • Stent placement by NIH under Public domain licence at http://www.nhlbi.nih.gov/health/health-topics/topics/angioplasty/howdone
  • No title by anonymous under unknown licence at http://www.westerncape.gov.za/eng/pubs/public_info/C/99478/
  • No title by Miles Jarvis under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Miles Jarvis under CC-BY licence
  • No title by Brice under CC-BY licence
  • No title by Miles Jarvis under CC-BY licence
  • n5_w1150 by The Biodiversity Heritage Library under CC-BY 2.0 licence at https://www.flickr.com/photos/biodivlibrary/5980712221/sizes/z/in/set-72157627292802682/
  • n20_w1150 by The Biodiversity Heritage Library under CC-BY 2.0 licence at https://www.flickr.com/photos/biodivlibrary/6388988539/sizes/z/in/set-72157628110931517/
  • n32_w1150 by The Biodiversity Heritage Library under CC-BY 2.0 licence at https://www.flickr.com/photos/biodivlibrary/7929427252/sizes/z/in/set-72157631402447438/
  • n246_w1150 by The Biodiversity Heritage Library under CC-BY 2.0 licence at https://www.flickr.com/photos/biodivlibrary/6008009187/sizes/z/in/set-72157627354575116/
  • n677_w1150 by The Biodiversity Heritage Library under CC-BY 2.0 licence at https://www.flickr.com/photos/biodivlibrary/9518365002/sizes/z/in/set-72157635081026107/
  • n330_w1150 by The Biodiversity Heritage Library under CC-BY 2.0 licence at https://www.flickr.com/photos/biodivlibrary/7977295257/sizes/z/in/set-72157631513721465/
  • Jellyfish by Wohnai under CC-BY 2.0 licence at http://www.flickr.com/photos/13511355@N06/with/1376582690/#photo_1376582690/
  • Starfish by Kevin Walsh under CC-BY 2.0 licence at http://www.flickr.com/photos/86624586@N00/with/27099925/#photo_27099925/
  • Tarnatula 020.jpg by Trisha M Shears under Public domain licence at http://en.wikipedia.org/wiki/File:Tarantula_020.jpg
  • Human skeleton front en by LadyOfHats under Public domain licence at http://en.wikipedia.org/wiki/File:Human_skeleton_front_en.svg
  • No title by Heather Williams under CC-BY licence
  • Human skull nolables by LadyOfHats under Public domain licence at http://commons.wikimedia.org/wiki/File:Human_skull_nolables.svg
  • Gray997 by anonymous under Public domain licence at http://commons.wikimedia.org/wiki/File:Gray997.png
  • Illu vertebral column by Arcadian under Public domain licence at http://en.wikipedia.org/wiki/File:Illu_vertebral_column.jpg
  • Gray 111 – vertebral column-coloured by Uwe Gill under Public domain licence at http://commons.wikimedia.org/wiki/File:Gray_111_-_Vertebral_column-coloured.png
  • Illu thoracic cage by Arcadian under Public domain licence at https://commons.wikimedia.org/wiki/File:Illu_thoracic_cage.jpg
  • Lumbar region in human skeleton by LadyOfHats under Public domain licence at http://commons.wikimedia.org/wiki/File:Lumbar_region_in_human_skeleton.svg
  • Gray112 by anonymous under Public domain licence at http://en.wikipedia.org/wiki/File:Gray112.png
  • Appendicular skeleton diagram by LadyOfHats under Public domain licence at http://commons.wikimedia.org/wiki/File:Appendicular_skeleton_diagram.svg
  • Human arm bones diagram by LadyOfHats under Public domain licence at http://en.wikipedia.org/wiki/File:Human_arm_bones_diagram.svg
  • Illu pelvic girdle by Arcadian under Public domain licence at http://commons.wikimedia.org/wiki/File:Illu_pelvic_girdle.jpg
  • Human leg bones labeled by Jecowa under Public domain licence at http://commons.wikimedia.org/wiki/File:Human_leg_bones_labeled.svg
  • Blausen 0411 FootAnatomy by BruceBlaus under CC-BY 3.0 unported licence at http://en.wikipedia.org/wiki/File:Blausen_0411_FootAnatomy.png
  • No title by Brice under CC-BY licence
  • Illu compact spongy bone by Arcadian under Public domain licence at http://commons.wikimedia.org/wiki/File:Illu_compact_spongy_bone.jpg
  • Skeletal muscle by NIH under Public domain licence at http://en.wikipedia.org/wiki/File:Rheumatoid_arthritis_joint.gif
  • Anatomy and physiology of animals antagonistic muscles, flexion and tension by Ruth Lawson under CC-BY 3.0 licence at http://commons.wikimedia.org/wiki/File:Anatomy_and_physiology_of_animals_Antagonistic_muscles,_flexion%26tension.jpg
  • Start: athlone flatline half marathon 2014 by Peter Mooney under CC-BY 2.0 licence at https://www.flickr.com/photos/peterm7/15225079872
  • Skeletal muscle by Jeremykemp under Public domain licence at http://commons.wikimedia.org/wiki/File:Skeletal_muscle.png
  • 1006 sliding filament model of muscle contraction by OpenStax College under CC-BY 3.0 unported licence at http://commons.wikimedia.org/wiki/File:1006_Sliding_Filament_Model_of_Muscle_Contraction.jpg
  • No title by Miles Jarvis under CC-BY licence
  • Osteoclast by Robert M. Hunt under Public domain licence at http://commons.wikimedia.org/wiki/File:Osteoclast.jpg
  • Arthrite_rhumatoide by Yondibest under Public domain licence at http://en.wikipedia.org/wiki/File:Arthrite_rhumatoide.jpg
  • No title by Miles Jarvis under CC-BY licence
  • No title by anonymous under CC-BY-SA licence at http://9sc4cells.wikispaces.com/8.+Levels+of+Organisation+in+Multicellular+Organisms
  • No title by Heather Williams under CC-BY licence
  • Wilson1900Fig2 by Edmund Beecher Wilson under Public domain licence at http://commons.wikimedia.org/wiki/File:Wilson1900Fig2.jpg
  • No title by John Alan Elson under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Mitosisonionroottip400x1.jpg
  • No title by Martin Bahmann and Dr. Phil.Nat Thomas Geier, Fachgebiet Botanik der Forschungsanstalt Geisenheim under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Allium-Mitose15-DM010x_BL28-P1.jpg
  • Leaf epidermis w scale by Louisa Howard under Public domain licence at http://en.wikipedia.org/wiki/File:Leaf_epidermis_w_scale.jpg
  • Tomato leaf stomate 1 by anonymous under Public domain licence at http://commons.wikimedia.org/wiki/File:Tomato_leaf_stomate_1.jpg
  • Plant stoma guard cells by Alex Costa under CC-BY 2.5 generic licence at http://commons.wikimedia.org/wiki/File:Plant_stoma_guard_cells.png
  • 080531-5032 Tradescantia pallida by Forest and Kim Starr under CC-BY 3.0 unported licence at https://commons.wikimedia.org/wiki/File:Starr_080531-5032_Tradescantia_pallida.jpg
  • No title by Brice under CC-BY licence
  • No title by Brice under CC-BY licence
  • Plant cell type collenchyma by Carl Szczerski under Public domain licence at http://en.wikipedia.org/wiki/File:Plant_cell_type_collenchyma.png/
  • No title by Brice under CC-BY licence
  • Plant cell type sclerenchyma fibres by Carl Szczerski under Public domain licence at http://commons.wikimedia.org/wiki/File:Plant_cell_type_sclerenchyma_fibers.png
  • Plant cell type sclerenchyma sclereid by Carl Szczerski under Public domain licence at http://commons.wikimedia.org/wiki/File:Plant_cell_type_sclerenchyma_sclereid.png
  • No title by Brice under CC-BY licence
  • Cucurbita maxima by (biophotos) under CC-BY 2.0 licence at http://www.flickr.com/photos/andrea_scauri/2995011798/sizes/m/in/photostream/
  • Bamboo forest by Clemson under CC-BY 2.0 licence at https://www.flickr.com/photos/clemson/522692258
  • No title by Brice under CC-BY licence
  • No title by Clematis under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Phloem.jpg
  • No title by Brice under CC-BY licence
  • Illu epithelium by Arcadian under Public domain licence at http://commons.wikimedia.org/wiki/File:Illu_epithelium.jpg
  • No title by anonymous under CC-BY-SA licence at http://bio-120-exam3.wikispaces.com/
  • High-grade Squamos intraepithelial lesion of the cervix by Ed Uthman under CC-BY 2.0 licence at http://www.flickr.com/photos/euthman/311128961/
  • No title by anonymous under CC-BY-SA licence at http://bio-120-exam3.wikispaces.com/
  • No title by Ed Uthman under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:WVSOM_Parotid_Gland1.JPG
  • No title by anonymous under CC-BY-SA licence at http://bio-120-exam3.wikispaces.com/
  • No title by SOLEIL under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File%3ACOLUMNAR_SIMPLE_LM.jpg
  • No title by Mdunning13 under CC-BY-SA licence at http://en.wikipedia.org/wiki/File:Muscle_Tissue_(1).svg
  • 414 Skeletal Smooth Cardiac by OpenStax College under CC-BY 3.0 unported licence at http://en.wikipedia.org/wiki/File:414_Skeletal_Smooth_Cardiac.jpg}
  • No title by anonymous under unknown licence at http://www.tutorvista.com/content/biology/biology-ii/control-and-coordination/neurons-types.php
  • Dendrite by anonymous under Public domain licence at http://commons.wikimedia.org/wiki/File:Dendrite_%28PSF%29.svg
  • No title by anonymous under unknown licence at http://www.tutorvista.com/content/biology/biology-ii/control-and-coordination/neurons-types.php
  • Gray295 by Magnus Manske under Public domain licence at http://en.wikipedia.org/wiki/File:Gray295.png
  • Anatomy and physiology of animals cartilage by Sunshineconnelly at wikibooks under CC-BY 2.5 generic licence at http://commons.wikimedia.org/wiki/File:Anatomy_and_Physiology_of_animals_cartilage.jpg
  • Osteoclast by Robert M. Hunt under Public domain licence at http://commons.wikimedia.org/wiki/File:Osteoclast.jpg
  • SEM blood cells by Bruce Wetzel and Harry Schaefer under Public domain licence at https://commons.wikimedia.org/wiki/File:SEM_blood_cells.jpg
  • SEM blood cells by Bruce Wetzel and Harry Schaefer under Public domain licence at http://en.wikipedia.org/wiki/File:SEM_blood_cells.jpg
  • Red blood cells by NIH under Public domain licence at http://simple.wikipedia.org/wiki/File:Redbloodcells.jpg
  • No title by Tleonardi under CC-BY-SA licence at http://en.wikipedia.org/wiki/File:Platelets.jpg
  • Private Roy W. Humphrey of Toledo, Ohio is being given blood plasma after he was wounded by shrapnel in Sicily on 8-9-43 – NARA – 197268 by US National Archives under Public domain licence at http://en.wikipedia.org/wiki/File:Private_Roy_W._Humphrey_of_Toledo,_Ohio_is_being_given_blood_plasma_after_he_was_wounded_by_shrapnel_in_Sicily_on_8-9-43_-_NARA_-_197268.jpg
  • Blausen 0352 Eosinophil by BruceBlause under CC-BY 3.0 unported licence at https://commons.wikimedia.org/wiki/File:Blausen_0352_Eosinophil.png
  • Vaccination campagne by CDC/Reuel Waldrop under Public domain licence at http://commons.wikimedia.org/wiki/File:Vaccination_campagne.jpg
  • Medical drugs for pharmacy health shop of medicine by epSos.de under CC-BY 2.0 licence at http://www.flickr.com/photos/epsos/8116279888/in/pool-70716329@N00
  • Blood compatibility by InvictaHOG under Public domain licence at http://simple.wikipedia.org/wiki/File:Blood_Compatibility.svg
  • Summer seedlings by Karen under CC-BY 2.0 licence at http://www.flickr.com/photos/sheepbackcabin/7481006612/in/photostream/
  • No title by Heather Williams under CC-BY licence
  • Human embryonic stem cells by Nissim Benvenisty under CC-BY 2.5 generic licence at http://commons.wikimedia.org/wiki/File:Human_embryonic_stem_cells.png
  • No title by Zephyris under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Leaf_Structure.svg
  • No title by Zephyris under CC-BY-SA licence at http://commons.wikimedia.org/wiki/File:Leaf_Tissue_Structure.svg
  • Plant stoma guard cells by Alex Costa under CC-BY 2.5 generic licence at http://commons.wikimedia.org/wiki/File:Plant_stoma_guard_cells.png
  • No title by Micropix under CC-BY-SA licence at https://commons.wikimedia.org/wiki/File:Tradescantia,_leaf,_Etzold_green_2.JPG
  • No title by anonymous under unknown licence at http://cnx.org/resources/35a4a132dbca3e01c75b3427c6e4368b/Picture%2026.png
  • No title by anonymous under unknown licence at http://cnx.org/resources/0709cfbece42ad3df13d1364ae1e8837/graphics1.png
  • No title by Heather Williams under CC-BY 2.0 generic licence
  • No title by Heather Williams under CC-BY 2.0 generic licence
  • No title by Heather Williams under CC-BY 2.0 licence
  • No title by Heather Williams under CC-BY 2.0 licence
  • No title by Heather Williams under CC-BY 2.0 licence
  • Sand biofilm 17 by Anthony D'Onofrio under CC-BY 2.0 generic licence at https://www.flickr.com/photos/adonofrio/4482210139
  • Misc pollen by Dartmouth College electron microscope facility under Public domain licence at https://commons.wikimedia.org/wiki/File:Misc_pollen.jpg#filelinks
  • No title by Bela Hausmann under CC-BY-SA licence at https://www.flickr.com/photos/and3k/3660656624
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • No title by Nathan Reading under closed copyright licence at https://www.flickr.com/photos/nathanreading/6701785439/
  • Chlamydomonas by Dartmouth College electron microscope facility under Public domain licence at https://commons.wikimedia.org/wiki/File:Chlamydomonas_TEM_07.jpg
  • No title by Lee Hayword under CC-BY-SA licence at https://www.flickr.com/photos/45034206@N06/7857324248
  • Clara cell lung - TEM by LadyofHats under Public domain licence at https://commons.wikimedia.org/wiki/File:Clara_cell_lung_-_TEM.jpg
  • Diatoms by Mary Ann Tiffany, San Diego State University under CC-BY 2.5 generic licence at https://en.wikipedia.org/wiki/File:Diatoms.png/
  • Phospholipids aqueous solution structures by LadyofHats under Public domain licence at https://en.wikipedia.org/wiki/File:Phospholipids_aqueous_solution_structures.svg
  • No title by St. John's International School (Wikispaces) under CC-BY-SA licence at https://biology-10.wikispaces.com/Topic+1+-+Transportation
  • No title by Heather Williams under CC-BY 2.0 generic licence
  • No title by Miles Jarvis under CC-BY 2.0 generic licence
  • Osmotic pressure on blood cells diagram by LadyofHats under Public domain licence at https://en.wikipedia.org/wiki/File:Osmotic_pressure_on_blood_cells_diagram.svg
  • No title by Miles Jarvis under CC-BY 2.0 generic licence
  • Scheme facilitated diffusion in cell membrane – en by Mariana Ruiz Villarreal under Public domain licence at https://en.wikipedia.org/wiki/File:Scheme_facilitated_diffusion_in_cell_membrane-en.png"
  • Scheme sodium-potassium pump – en by LadyofHats under Public domain licence at https://commons.wikimedia.org/wiki/File:Scheme_sodium-potassium_pump-en.svg
  • Micrograph of a cell nucleus by US National Institute of general medical sciences under Public domain licence at https://commons.wikimedia.org/wiki/File:Micrograph_of_a_cell_nucleus.png
  • Animal mitochondrion diagram en (edit) by LadyofHats under Public domain licence at https://commons.wikimedia.org/wiki/File:Animal_mitochondrion_diagram_en_%28edit%29.svg
  • No title by Electron microscope unit University of Cape Town under unknown licence
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • No title by Electron microscope unit University of Cape Town under unknown licence
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • No title by anonymous under unknown licence
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • Human leukocyte, showing golgi – TEM by Louisa Howard under Public domain licence at https://commons.wikimedia.org/wiki/File:Human_leukocyte,_showing_golgi_-_TEM.jpg
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • Spindle centriole – embryonic brain mouse – TEM by Louisa Howard under Public domain licence at https://commons.wikimedia.org/wiki/File:Spindle_centriole_-_embryonic_brain_mouse_-_TEM.jpg
  • Plastids types en by LadyofHats under Public domain licence at https://commons.wikimedia.org/wiki/File:Plastids_types_en.svg
  • Orchids by Francis Chung under CC-BY 2.0 generic licence at https://www.flickr.com/photos/fchungcw/5853122010/in/set-72157626967672394
  • Thylakoid by Tameeria under Public domain licence at https://en.wikipedia.org/wiki/File:Thylakoid.png
  • No title by Bela Hausmann under CC-BY-SA licence at https://www.flickr.com/photos/and3k/3660656618/"
  • Onion cells 2 by Umberto Salvagnin under CC-BY 2.0 generic licence at https://www.flickr.com/photos/kaibara/3839720754/
  • My epithelial cells by fickledandfreckled under CC-BY 2.0 generic licence at https://www.flickr.com/photos/fickleandfreckled/7980693966/sizes/m/in/photostream
  • Animal_Cell by Kelvinsong under Public domain licence at https://en.wikipedia.org/wiki/File:Animal_Cell.svg
  • Sweat II by Jeffrey Montes under CC-BY 2.0 generic licence at http://www.flickr.com/photos/jm-photography/4728646934/in/photostream/
  • Jelly Fish by liakapelke under CC-BY 2.0 generic licence at http://www.flickr.com/photos/49164267@N04/4885206411/sizes/m/in/photostream/
  • Auxin by William M. Gray under CC-BY 2.5 generic licence at http://commons.wikimedia.org/wiki/File:Auxin.jpg
  • Eye by Samuel Johnson under CC-BY 2.0 generic licence at http://www.flickr.com/photos/samjuk/1129245762/sizes/m/in/photostream/
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • Algae and dead fish in Dianchi Lake, China by eutrophication & hypoxia under CC-BY 2.0 generic licence at http://www.flickr.com/photos/48722974@N07/4598769539/
  • Eutrophication by eutrophication & hypoxia under CC-BY 2.0 generic licence at http://www.flickr.com/photos/48722974@N07/4464986156/sizes/o/in/photostream/
  • Better compost by normanack under CC-BY 2.0 generic licence at http://www.flickr.com/photos/29278394@N00/2457055952/
  • Tumbler skips by Red58bill under CC-BY 3.0 unported licence at http://en.wikipedia.org/wiki/File:Tumbler.skips.jpg
  • No title by Ben Mills under Public domain licence at http://en.wikipedia.org/wiki/File:Alpha-D-glucose-from-xtal-1979-3D-balls.png
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • Wheat starch granules by Kiselov Yure under Public domain licence at http://en.wikipedia.org/wiki/File:Wheat_starch_granules.JPG
  • No title by Heather Williams under CC-BY 2.0 generic licence
  • Main protein structure levels by LadyofHats under Public domain licence at http://en.wikipedia.org/wiki/File:Main_protein_structure_levels_en.svg
  • Starved girl by Dr. Lyle Conrad - CDC under Public domain licence at http://en.wikipedia.org/wiki/File:Starved_girl.jpg
  • Starved child by Don Eddins - CDC under CC-BY 2.0 generic licence at http://en.wikipedia.org/wiki/File:Starved_child.jpg
  • Biuret test by Cyberchemist under CC-BY 2.0 generic licence at https://www.flickr.com/photos/37388341@N00/1495908200/
  • No title by Heather Williams under CC-BY 2.0 generic licence
  • Induced fit diagram by Tim Vickers under Public domain licence at http://commons.wikimedia.org/wiki/File:Induced_fit_diagram.svg
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • Breastfeeding infant by Ken Hammond under Public domain licence at http://en.wikipedia.org/wiki/File:Breastfeeding_infant.jpg
  • No title by NIH under Public domain licence at http://images.nigms.nih.gov/index.cfm?event=viewDetail&imageID=2521
  • No title by Brice Roberts under CC-BY 2.0 generic licence
  • Eutrophication experiment by eutrophicationandhypoxia under CC-BY 2.0 generic licence at http://www.flickr.com/photos/48722974@N07/4860978830/