Aquestion about a moral issue
lois answered by examining facts rather than opinions.
o is generally considered a scientific question.
o cannot be answered with scientific methods.
o cannot be debated through discussion.

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

the actual answer was 160934