frankierice020
frankierice020
28.10.2019 • 
Biology

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
eliminate
b) identical; are warm-blooded
c) varied; a four chambered heart
d) homologous; have mammary glands

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