Unlike in prokaryotic cells, replication in eukaryotic
a.) involves much less dna.
b.) can start in many different place on a sequence at the same time.
c.) is continuous in two different directions until the whole chromosome is copied.
d.) starts from a single place

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