Question

How did Darwin account for the diversity of species and the differences between similar species?

Answer 1

Answer:

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Explanation:

Variation arises ultimately from genetic mutations. Diversity is further encouraged through sexual reproduction. As environments change, selective pressures shift and favor different adaptations. In this way, given thousands or millions of years, species evolve.

Answer 2

Answer:

Darwin proposed that over a long time,

Explanation:

natural selection can lead to change. Helpful variations may gradually accumulate in a species, while unfavorable ones may disappear.