163k views
14 votes
Explain why natural selection does not operate on characteristics which affect fitness but are not heritable.

User Anjsimmo
by
4.8k points

1 Answer

11 votes

Answer:

Natural selection can only work on heritable traits. Acquired traits are not heritable and are not subject to natural selection. Environmental factors are variable. A trait that is beneficial in one place or time may be detrimental in another place or time.

User Frixhax
by
4.5k points