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NNADVOKAT [17]
3 years ago
9

Earth has had several mass extinctions throughout its long history. Which describes a mass extinction, but not background extinc

tion
Geography
1 answer:
nadya68 [22]3 years ago
6 0
Earth has had several mass extinctions throughout its long history. How would you describe a mass extinction but not background extinction? Fossil evidence shows that some species changed very little over geologic time, while others changed gradually and at a relatively constant rate.
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