Natural Selection Results in Changes in ____

Question

Natural selection results in changes in ____.  
A) individuals
B) populations
C) kingdoms
D) phyla
E) animals only

Accepted Answer

Natural selection acts on the characteristics and traits of individuals within a population. Over time, favorable traits become more common in the population, leading to changes at the population level. The other options (C, D, E) are too broad or specific and do not accurately describe the effects of natural selection.