Question

what happens to alleles that do not provide a survival advantage? they remain constant. they become less common over generations. they multiply rapidly.

Explanation:

In the context of natural selection, alleles that do not offer a survival advantage are less likely to be passed on. Organisms with such alleles may have reduced fitness (lower chances of survival and reproduction). Over generations, as organisms with more advantageous alleles are more successful in reproducing, the frequency of non - advantageous alleles decreases.

Answer:

They become less common over generations.