What Is So Significant About the Recent Fossil Finds of an H

question 6

Multiple Choice

What is so significant about the recent fossil finds of an H. erectus and an H. habilis from Ileret, Kenya, east of Lake Turkana?

• A) They prove that H. erectus and H. habilis coexisted in the same ecological niche and eventually interbred to result in a single species.
• B) They prove that functional differentiation in toolmaking preceded the advent of Homo.
• C) They prove that sexual dimorphism was finally absent as a trend in human evolution by 2 m.y.a.
• D) They negate the conventional view held since 1960 that habilis and erectus evolved one after the other. Instead, they lived side by side in eastern Africa for perhaps half a million years.
• E) They confirm that H. habilis evolved from H. erectus.

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