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Question
Humans are the only primates who lack a sectorial complex on the premolar. This is an example ofa. a primitive trait, because it is present in multiple species of a group.
b. a primitive trait, because it is present in only one or few species of a group.
c. a derived trait, because it is present in multiple species of a group.
d. a derived trait, because it is present in only one or few species of a group.
Answer
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