The diagram shows the changes in foot structure in a bird population over many generations

Question

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How can these changes best be explained?

a
use and disuse
b
stable gene frequencies
c
evolution
d
extinction

Answer 1

c evolution

The changes in foot structure in the bird population over many generations are best explained by evolution. This is because evolution involves changes in inherited characteristics of a population over time, often as a result of natural selection. In this case, the changes in foot structure likely resulted from adaptations that provided a survival advantage to the birds in their environment.