ECOLOGY
BIODIVERSITY AND ITS CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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threatened species.
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invasive species.
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endangered species.
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extirpated species.
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Detailed explanation-1: -“Endangered” means a species is in danger of extinction throughout all or a significant portion of its range. “Threatened” means a species is likely to become endangered within the foreseeable future.
Detailed explanation-2: -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-3: -The most at-risk species were amphibians, of which 41% are considered at risk, followed by sharks and conifers, at 37% and 34% respectively. It stated that human activity is having a devastating impact on the environment, but that it is not too late to halt this trend and improve.
Detailed explanation-4: -Endangered species: These are the species that are in danger of extinction.