SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An endangered species is
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One whose numbers are so small that it is at risk of extinction
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One whose not been spotted after many years.
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One whose numbers are abundant.
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None of the above
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Explanation:
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: -Threats to a species from habitat destruction, pollution, over-harvesting, disease, predation and other natural or man-made factors must be reviewed and evaluated before an animal or plant can be placed on the federal endangered or threatened species list.
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