which of the following statements about natural selection is true?

a. it acts directly on the genotype of an organism
b. it can only occur when environmental conditions are stable
c. it always results in the adaptation of individuals to their environment
d. it acts on the phenotype of the organism

1 answer

The correct statement about natural selection is:

d. it acts on the phenotype of the organism.

Natural selection operates on the observable traits (phenotypes) of organisms, which are influenced by their underlying genetic makeup (genotype).