ECOLOGY
HUMANS AND THE BIOSPHERE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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exinction
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abomination
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endangered
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excused.
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Detailed explanation-1: -A species is classified as endangered when its population has declined at least 70 percent and the cause of the decline is known. A species is also classified as endangered when its population has declined at least 50 percent and the cause of the decline is not known.
Detailed explanation-2: -“Endangered” means a species is in danger of extinction throughout all or a significant portion of its range.
Detailed explanation-3: -(3) Endemic species: These are species that are found only in some particular areas, usually isolated by natural or even geographical barriers. E.g. Asiatic lion. (4) Endangered species: These are species that are in danger of extinction.
Detailed explanation-4: -A species considered to be facing an extremely high risk of extinction in the wild.
Detailed explanation-5: -decline is loss of habitat, or living space. Every organism needs a unique. combination of food, water and living space if it is to survive and reproduce. If any one of these needed elements is lost, the organism leaves the area or dies.