2019
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1440
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2040
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1, 840
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1740
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Detailed explanation-1: -The IUCN Red List now includes 134,425 species of which 37,480 are threatened with extinction.
Detailed explanation-2: -Our goals. To date, more than 150,300 species have been assessed for The IUCN Red List.
Detailed explanation-3: -The 73 species include nine species of mammals, 18 birds, 26 reptiles and 20 amphibians, according to IUCN criteria. IUCN, which monitors health and status of biodiversity globally, declares a species as critically endangered when it is considered to be facing an extremely high risk of extinction in the wild.
Detailed explanation-4: -International Union for Conservation of Nature treats threatened species not as a single category, but as a group of three categories: vulnerable, endangered, and critically endangered, depending on the degree to which they are threatened.