When huge numbers of species die out in a short period of time, it's known as a mass extinction.
a. true
b. false

What are the headings of a data table

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population