Is evolution inevitable?

Can a species avoid evolution for thousands of years? If, for example, there is no need to evolve or change like crocodiles and alligators ? So that was the major question. Now for the second, minor question that I am wondering about. Sooo some people think that bigfoot exists but what if "bigfoot" is... show more Can a species avoid evolution for thousands of years? If, for example, there is no need to evolve or change like crocodiles and alligators ?
So that was the major question. Now for the second, minor question that I am wondering about. Sooo some people think that bigfoot exists but what if "bigfoot" is unevolved...like maybe it somehow avoided evolution somehow?
nice answers plz? thank u all in advance :)
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