The Key Criterion Used by Paleoanthropologists in Deciding Whether a Gracile

question 57

Multiple Choice

The key criterion used by paleoanthropologists in deciding whether a gracile fossil younger than 2 million years of age should be placed in the genus Homo is

• A) size of molars.
• B) cranial capacity.
• C) presence of a U-shaped dental arcade.
• D) two premolars instead of three.

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