A Level Biology Revision "Biodiversity"

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In this video, we look at what is meant by biodiversity. We explore habitat biodiversity, species biodiversity (including species richness and species evenness) and finally genetic biodiversity. Image credits: Two Ivory gulls in the drift ice of the arctic https://commons.wikimedia.org/wiki/File:Two_Ivory_gulls_in_the_drift_ice_of_the_arctic.jpg Andreas Weith, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Rainforest Mexico https://commons.wikimedia.org/wiki/File:Chiapas_Rainforest_crop.jpg Bild von bere von awstburg auf Pixabayhttps://pixabay.com/de/photos/die-dschungel-von-chiapas-1865639/, CC0, via Wikimedia Commons Woodland 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 Meadow https://commons.wikimedia.org/wiki/File:Hunsdon_Mead_meadow_in_Hertfordshire,_England.jpg Glyn Baker�/�A proper Meadow / CC BY-SA2.0 Sand Dune https://commons.wikimedia.org/wiki/File:Sand_Dune_at_Luce_Bay_-_geograph.org.uk_-_3172239.jpg Sand Dune at Luce Bay by�Billy McCrorie, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Stream https://commons.wikimedia.org/wiki/File:Wood_sorrel_and_stream_-_geograph.org.uk_-_3948795.jpg Wood sorrel and stream by�Andrew Hill, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Arctic Ice https://commons.wikimedia.org/wiki/File:Arctic_ice.jpg Patrick Kelley, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, 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 Tree Sparrow https://commons.wikimedia.org/wiki/File:Tree_sparrow_at_Filey_Dams_-_geograph.org.uk_-_4204715.jpg Tree sparrow at Filey Dams by�Pauline E, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Goat moth https://commons.wikimedia.org/wiki/File:The_goat_moth_(Cossus_cossus)_(14272200301).jpgPavel Kirillov from St.Petersburg, Russia, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Bullfinch https://commons.wikimedia.org/wiki/File:Eurasian_Bullfinch,_Pyrrhula_pyrrhula_(36932276974).jpg keith gallie from Warrington, UK, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons Bank vole https://commons.wikimedia.org/wiki/File:Myodes-glareolus-roetelmaus-bank-vole_(cropped).jpg Photopippo, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Hedgerow https://commons.wikimedia.org/wiki/File:Hedgerow_-_geograph.org.uk_-_4319256.jpg Hedgerow by�N Chadwick, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, 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 Cows https://commons.wikimedia.org/wiki/File:Curious_Cows_-_geograph.org.uk_-_1918757.jpg Curious Cows by�Ashley Dace, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Woman https://commons.wikimedia.org/wiki/File:Woman_1.jpg Owlsmcgee, Public domain, via Wikimedia Commons DNA https://commons.wikimedia.org/wiki/File:%C3%81cido_desoxirribonucleico_(DNA).png Kadumago, CC BY 4.0 https://creativecommons.org/licenses/by/4.0, via Wikimedia Commons Fruit fly https://commons.wikimedia.org/wiki/File:Fruit_Fly_(Drosophila_immigrans)_(13114869053).jpg Martin Cooper from Ipswich, UK, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons Siamese cat https://commons.wikimedia.org/wiki/File:Siam_lilacpoint.jpg Karin Langner-Bahmann, upload von Martin Bahmann, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons Sphinx cat https://commons.wikimedia.org/wiki/File:Sphinx2_July_2006.jpg M.Minderhoud at Dutch Wikipedia, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons M.M.Minderhoud or Wikipedia/Michiel1972 Persian Cat https://commons.wikimedia.org/wiki/File:Persialainen.jpg The original uploader was Lajoma at Finnish Wikipedia., CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons