Science Notebook - Student Edition

Primate Evolution 165

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Describe some potential advantages and disadvantages of

bipedalism compared to quadrupedalism.

Disadvantages of bipedalism: Advantages of bipedalism:

Identify a key discover y by each of the following scientists. Then

analyze how the discover y contributed to the debate about which

adaptation evolved first: larger brain or bipedalism.

Raymond Dart Donald Johanson Mary Leakey

Discovery:

Analysis:

Discovery:

Analysis:

Discovery:

Analysis:

Section 16.2 Hominoids to Hominins (continued)

Main Idea Details

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Analyze why scientists have difficulty classifying many

hominin fossils.

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