Darwin's finches arose from a common mainland ancestor, but became isolated on different islands and evolved into 15 species of birds. Which type of Isolation occured?

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

nb

explanation:

kj