A Level Biology Revision "Calculating Biodiversity"

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In this video, we look at how to calculate biodiversity using Simpson's Index of Diversity. We also look at why having a rich biodiversity is important for an ecosystem. Image Credits: Woodlands https://commons.wikimedia.org/wiki/File:Woodland_Bluebells.jpg Prosthetic Head, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Chile desert https://commons.wikimedia.org/wiki/File:Wallpaper_of_E-ELT_site_testing_%E2%80%94_Cerro_Armazones_Chile.jpg ESO/S. Brunier, CC BY 4.0 https://creativecommons.org/licenses/by/4.0, via Wikimedia Commons Badger https://commons.wikimedia.org/wiki/File:Grevling_(Meles_meles).jpg Trond Sætre Stegarud, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Earthworm https://commons.wikimedia.org/wiki/File:Lumbricus_terrestris_R.H_(2).JPG Rob Hille, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Slug https://commons.wikimedia.org/wiki/File:Slug_ed.jpg RodrigoQuarteu, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Elderberry https://commons.wikimedia.org/wiki/File:Sambucus-berries.jpg Edal Anton Lefterov, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Rabbit https://commons.wikimedia.org/wiki/File:Oryctolagus_cuniculus_Rcdo.jpg JM Ligero Loarte, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons Bank vole https://commons.wikimedia.org/wiki/File:Myodes_Glareolus_(123190659).jpeg Jurikowski, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Hedgehog https://commons.wikimedia.org/wiki/File:West_European_Hedgehog_(Erinaceus_europaeus)1.jpg Hrald, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Melolontha melolontha https://commons.wikimedia.org/wiki/File:Melolontha_melolontha_(41751778121).jpg Björn S..., CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Common frog https://commons.wikimedia.org/wiki/File:The_common_frog_-_geograph.org.uk_-_5004730.jpg The common frog by�valenta, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Shrew https://commons.wikimedia.org/wiki/File:A_Shrew_-_geograph.org.uk_-_202061.jpg Donald Bain�/�A Shrew Acorn https://commons.wikimedia.org/wiki/File:Acorn_(2881856339).jpg Randi Hausken from Bærum, Norway, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Vicugna vicugna https://commons.wikimedia.org/wiki/File:Vicugna_vicugna_at_about_4,000m,_near_the_Chajnantor_Plateau,_NW_Chile._Simon_Green_17th_April_2018.jpg Papermaker, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Wheatfield https://commons.wikimedia.org/wiki/File:Wheat_field_-_geograph.org.uk_-_3610288.jpg Wheat field by�Richard Webb, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Red-tailed maggot https://commons.wikimedia.org/wiki/File:Australian_Rat-tailed_fly_larva.jpg Bipedia at English Wikipedia, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons Water Louse https://commons.wikimedia.org/wiki/File:Waterlouse_(Asellus_aquaticus).jpg Charles J. Sharp, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Blood worms https://commons.wikimedia.org/wiki/File:Madge_fly_blood_worms,_harvested_by_locals,_confluence_of_Ram_Mula_rivers,_Aundh-Baner_link_road,_Pune.jpg RTmhasvai, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons