The arm or forelimb of humans, horses, goats, and mice all exhibit the same three bone structures: humerus, ulna, and radius. Which statement BEST explains this common skeletal structure?
A)The limb bones are similar across these species because they share a common ancestor.
B)The limb bones are the same across these species because all of them move in a similar way.
C)The limbs are similar because of the recurring patterns of genetic mutation that are common in the Animal Kingdom.
D)The limbs are structurally similar due to convergent evolution--different organisms evolving to become structurally similar.
A)The limb bones are similar across these species because they share a common ancestor.
B)The limb bones are the same across these species because all of them move in a similar way.
C)The limbs are similar because of the recurring patterns of genetic mutation that are common in the Animal Kingdom.
D)The limbs are structurally similar due to convergent evolution--different organisms evolving to become structurally similar.
