For natural selection to occur, variation must exist. this is true because without variation

Question

Biology

Danna Church

1 January, 03:59

For natural selection to occur, variation must exist. this is true because without variation

+5

Answers (1)

Know the Answer?

Julianne Decker · Answer 1

Without variation, there is no difference between members of a population to be "selected for" in the first place. This is a basic tenet of natural selection. A new trait must arise in order to advance or decrease the fitness of the individual, and hence, its ability to pass on its genes.