Sahelanthropus Is Thought to Have Been Bipedal Based on the Positioning

Q17: Using the Messages from the Past section

Q18: Why are there so many named species

Q19: During its lengthy history, Australopithecus afarensis shows:<br>A)

Q20: When the forests diminished at the end

Q21: The australopithecines are placed in the taxonomic

Q23: What do the Laetoli footprints tell us

Q24: Most trees follow which photosynthetic pathway:<br>A) C4<br>B)

Q25: 51: The key discovery made at the

Q26: Ardipithecus lived in a habitat best described

Q27: The brain size of the australopithecines was