A male tree frog migrates to a new habitat with little ground vegetation and many tall trees. Jumping is the safest way for the frog to move from tree to tree. Because of the long distance between trees, the frog spreads its fingers and toes like a parachute to soften its landing. Over time, the webbing between the frog's fingers and toes stretches and expands to act more efficiently. The frog eventually mates with a female of the same species. Based on this information, which claim can be made?