Which of the Following Can Act as a Constraint on the Evolutionary

question 63

Multiple Choice

Which of the following can act as a constraint on the evolutionary process?

• A) The trade-off between the cost and benefit of an adaptation
• B) The occurrence of rare catastrophic events, such as meteorite impacts
• C) The fact that all evolutionary innovations are modifications of previously existing structures
• D) Both a and c
• E) All of the above

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Definitions:

Run

To move at a speed faster than a walk, continually propelling oneself forward with legs.

Motor Neurons

Nerve cells that initiate and control the movement of muscles.

Central Nervous System

Comprised of the brain and spinal cord, it is the primary information processing center in the body and controls most functions of the body and mind.

Autonomic Nervous System

The part of the nervous system that controls involuntary actions of the body, such as heart rate and digestion.