The naturalist charles darwin, who is credited with developing the theory of evolution by natural selection, suggested that the changes organisms display through time were the result of

b because they naturally adapt to their environment plz mark brainliest

explanation:

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands