Question

Studies of tooth enamel tell us that
a. C4 plants are woody plants while C3 plants are grasses and sedges.
b. Australopithecus africanus and Paranthropus robustus shared a variable diet that may have included animals that fed on C4 plants.
c. chimpanzees feed mainly on C4 plants.
d. Paranthropus boisei ate mostly C3 plants.

Answer

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