A Level Biology Revision "Classification of Species"

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In this video, we look at the classification of species. First we explore why the use of common names can present problems. We then look at the Linnean classification system and the use of binomial names. Finally, we explore what is meant by a species. Image credits Fern https://commons.wikimedia.org/wiki/File:Unfurling_fern_-_geograph.org.uk_-_187896.jpg Hugh Chevallier�/�Unfurling fern Cypress https://commons.wikimedia.org/wiki/File:Cupressus_funebris_02.jpg Melburnian, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons Ladybird https://commons.wikimedia.org/wiki/File:BIEDRONA.JPG#file Author: Dominik Stodulski Cetonia-aurata https://commons.wikimedia.org/wiki/File:Cetonia-aurata.jpg I, Chrumps, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons Caterpillar https://commons.wikimedia.org/wiki/File:Ethmia_bipunctella-01_(xndr).jpg I, Svdmolen, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons Elephant https://commons.wikimedia.org/wiki/File:African_elephant_(Loxodonta_africana)_2.jpg Charles J. Sharp, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Giraffe https://commons.wikimedia.org/wiki/File:Giraffe_July_2008-1.jpg Alvesgaspar, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Tiger https://commons.wikimedia.org/wiki/File:Tiger_facial_marking_Sultan_(T72)_Ranthambhore_India_12.10.2014.jpg Dibyendu Ash, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Tuna https://commons.wikimedia.org/wiki/File:Tuna_1.jpg Takashi Hososhima, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Clownfish https://commons.wikimedia.org/wiki/File:Amphiprion_ocellaris_(Clown_anemonefish)_Nemo.jpg Nhobgood Nick Hobgood, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Coccinella septempunctata https://commons.wikimedia.org/wiki/File:Coccinella-septempunctata-15-fws.jpg Francisco Welter-Schultes, CC0, via Wikimedia Commons Coccinella transversalis https://commons.wikimedia.org/wiki/File:Transverse_ladybird_(Coccinella_transversalis).jpg Charles J. Sharp, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons Coccinella monticola https://commons.wikimedia.org/wiki/File:Lady_Beetle_-_Coccinella_monticola,_Plumas_County,_California.jpg Judy Gallagher, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons Coccinella transversoguttata https://commons.wikimedia.org/wiki/File:Coccinella_transversoguttata.jpg https://upload.wikimedia.org/wikipedia/commons/d/da/Coccinella_transversoguttata.jpg Carl Linnaeus https://commons.wikimedia.org/wiki/File:Carl_von_Linn%C3%A9,_1707-1778,_botanist,_professor_(Alexander_Roslin)_-_Nationalmuseum_-_15723.tif Alexander Roslin, Public domain, via Wikimedia Commons Systema Naturae https://commons.wikimedia.org/wiki/File:Linnaeus1758-title-page.jpg Carl Linnaeus, Public domain, via Wikimedia Commons Dog https://commons.wikimedia.org/wiki/File:Brooks_Chase_Ranger_of_Jolly_Dogs_Jack_Russell.jpg JOLLY-DOGS-JACK-RUSSELL, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Cat https://commons.wikimedia.org/wiki/File:Orange_tabby_cat_sitting_on_fallen_leaves-Hisashi-01A.jpg Orange_tabby_cat_sitting_on_fallen_leaves-Hisashi-01.jpg: Hisashi from Japanderivative work: Caspian blue, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons Horse https://commons.wikimedia.org/wiki/File:Haflinger_horse_on_pasture_in_the_Netherlands.jpg Paula Jantunen (user Niora), Public domain, via Wikimedia Commons Donkey https://commons.wikimedia.org/wiki/File:Equus_asinus_(Donkey),_Arnhem,_the_Netherlands.jpg Bj.schoenmakers, CC0, via Wikimedia Commons Mule https://commons.wikimedia.org/wiki/File:Navajo_Nation_Mule_9-15_(21800633621).jpg Don Graham from Redlands, CA, USA - God bless it!, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons