Which of the Following Anatomical Changes Was an Especially Important

question 85

Multiple Choice

Which of the following anatomical changes was an especially important contributor to the development of full bipedalism in hominins?

• A) face pulled forward with spinal cord entering rear of skull
• B) gain of opposable big toes
• C) restructuring of the pelvis accompanied by a change in the angle of knee joints that support body weight
• D) having no arch in the foot

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Definitions:

Muscle Tissue

A type of body tissue that contracts to produce movement, found throughout the body and classified into skeletal, cardiac, and smooth types.

Glycogen

A large, branched polymer of glucose that serves as a form of energy storage in animals and fungi.

Excess Post-exercise Oxygen Consumption

The increased rate of oxygen intake following strenuous activity.

Oxygen Consumption

The process by which living organisms utilize oxygen to metabolize organic compounds and produce energy.