How do species become endangered and extinct?
NONSENSE ANSWER = REPORT
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How do species become endangered and extinct?
NONSENSE ANSWER = REPORT
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Species become endangered for two main reasons: loss of habitat and loss of genetic variation. A loss of habitat can happen naturally. Dinosaurs, for instance, lost their habitat about 65 million years ago. ... Dinosaurs became endangered, then extinct.
Species may become extinct because of changes of climate (i.e the ice age), competition with other species, a reduced food supply, or combination of all of these. Most natural extinction are isolated events that happen over a fairly long period of time.