The Evolutionary Species Concept States That for a Population to Be

question 15

Multiple Choice

The evolutionary species concept states that for a population to be declared a separate species, it must:

• A) not interbreed with any other population.
• B) have diverged significantly from other populations.
• C) occupy a different niche than any other population.
• D) be morphologically different from any other population.
• E) have undergone natural selection sometime in its history.

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Definitions:

Gate-Control Theory

A theory explaining how psychological factors can affect the perception of physical pain, suggesting pain signals can be blocked or enhanced in the spinal cord.

Skin Senses

The sensory systems for processing touch, warmth, cold, texture, and pain through receptors in the skin.

Endorphins

Natural, pain-relieving chemicals produced by the body that are released in response to stress, pain, or exercise, promoting feelings of pleasure or well-being.

Vestibular Sense

The sense that provides information about the body’s orientation in space.