The lineage that produced chimpanzees and humans split from other
primates roughly 30 million years ago. Chimps skulls have the following features: Trait A, found in fossils as old as 55 million years, is a postorbital wall that ventrally separates the orbit from the temporal fossa. Trait B, found in fossils as old as 10 to 12 million years, is molars with thick enamel. Which of the following statements is TRUE?
A. Trait A is more beneficial for chimps survival bc its older
B. Trait B is more beneficial for chimps survival bc its newer
C. Trait A is more likely to be widespread among other primate species bc its older
D. Trait B is more likely to be widespread among other primate species bc its newer.
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The lineage that produced chimpanzees and humans split from other
primates roughly 30 million years...
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