{"id":121614,"date":"2022-05-18T14:02:00","date_gmt":"2022-05-18T08:32:00","guid":{"rendered":"https:\/\/www.mapsofindia.com\/my-india\/?p=121614"},"modified":"2022-05-18T14:02:00","modified_gmt":"2022-05-18T08:32:00","slug":"a-the-evil-quartet-describes-the-rates-of-species-extinction-due-to-human-activities-explain-how-the-population-of-organisms-is-affected-by-fragmentation-the-habitats-b-introduct","status":"publish","type":"post","link":"https:\/\/www.mapsofindia.com\/my-india\/education\/a-the-evil-quartet-describes-the-rates-of-species-extinction-due-to-human-activities-explain-how-the-population-of-organisms-is-affected-by-fragmentation-the-habitats-b-introduct","title":{"rendered":"a. \u2018The Evil Quartet\u2019 describes the rates of species extinction due to human activities. Explain how the population of organisms is affected by fragmentation the habitats. b. Introduction of alien species has led to environmental damage and decline of indigenous species. Give any one example of how it has affected the indigenous species? c. Could the extinction of Steller\u2019s sea cow and passenger pigeon be saved by man? Give reasons to support your answer."},"content":{"rendered":"<h2>a. \u2018The Evil Quartet\u2019 describes the rates of species extinction due to human activities. Explain how the population of organisms is affected by fragmentation the habitats.<br \/>\nb. Introduction of alien species has led to environmental damage and decline of indigenous species. Give any one example of how it has affected the indigenous species?<br \/>\nc. Could the extinction of Steller\u2019s sea cow and passenger pigeon be saved by man? Give reasons to support your answer.<\/h2>\n<h3>Answer.<br \/>\na. When a large habitat is broken into small fragments due to various<br \/>\nactivities, mammals and birds requiring large territories and certain<br \/>\nanimals with migratory habitats are badly affected, leading to<br \/>\npopulation decline.<br \/>\nb.<br \/>\n\u25cf Nile perch introduced in Lake Victoria eventually led to the<br \/>\nextinction of an ecologically unique assemblage of more than<br \/>\n200 species of cichild fish.<br \/>\n\u25cf Parthenium\/Lantana\/water hyacinth caused environmental<br \/>\ndamage and threat to our native species<br \/>\n\u25cf African catfish-Clarias gariepinus introduced for aquaculture<br \/>\npurposes is posing a threat to the indigenous catfishes in our<br \/>\nrivers. (Any one)<br \/>\nc. Yes; Humans have overexploited natural resources for their \u2018greed\u2019<br \/>\nrather than \u2018need\u2019 leading to extinction of these animals.<br \/>\nSustainable harvesting could have prevented extinction of these<br \/>\nspecies.<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>a. \u2018The Evil Quartet\u2019 describes the rates of species extinction due to human activities. Explain how the population of organisms is affected by fragmentation the habitats. b. Introduction of alien species has led to environmental damage and decline of indigenous species. Give any one example of how it has affected the indigenous species? c. Could [&hellip;]<\/p>\n","protected":false},"author":21830,"featured_media":121571,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":{"0":"post-121614","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-education"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/121614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/users\/21830"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/comments?post=121614"}],"version-history":[{"count":1,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/121614\/revisions"}],"predecessor-version":[{"id":121615,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/121614\/revisions\/121615"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media\/121571"}],"wp:attachment":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media?parent=121614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/categories?post=121614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/tags?post=121614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}