Explain why variations are important to understanding change in a population over time?

Question

Ibrahim Sims

Biology

29 November, 11:59

Explain why variations are important to understanding change in a population over time?

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Abigayle · Answer 1

Evolution occurs by survival of the fittest ... there is selection for organisms that have higher fitness over organisms that have lower fitness. If there is no variation in a species, every organism would have the same fitness and no selection would occur, therefore evolution could not occur.