Question

How is variation useful for the survival of species overtime?

Answer 1

population of organisms fill well defined places or niches in the ecosystem.

• however , niches can change.
• temperature on earth can go up and down due to meteor hits , etc.
• if there was a particular population of organisms living in a particular niche and the niche was suddenly drastically changed , then their entire population would be wiped out.
• however , if there were some variations in few of these organisms , then they would have a chance to survive an they would survive and that species wont go extinct.
• hence variations are useful for a species in the long run.

Answer 2

variation helps the organisms to withstand drastic environmental changes and it save them from being extinct and promote their survival for a longer time.

i hope this answer of mine will help you .
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