Bipedalism,considered a Key Defining Characteristic That Differentiated Early Hominins from Other

question 28

Multiple Choice

Bipedalism,considered a key defining characteristic that differentiated early hominins from other apes,

• A) may have evolved as a result of anatomical changes caused by stone tool manufacturing.
• B) evolved as a result of anatomical changes caused by an increase in brain size.
• C) perhaps developed in the woodlands but became even more adaptive in a savanna habitat.
• D) resulted in greater exposure to heat stress because on two feet, hominins spent increasingly more time in the open grasslands.
• E) was accompanied by a sharp increase in hominins' climbing abilities.

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