What does the chimpanzee have that the other organisms do not?
a) claws
b) lungs
c) mammary glands
d) opposable thumbs

D) Opposable Thumbs

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D, opposable thumbs

Other organisms don’t

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