Which Factor Is Responsible for Reductions in Population Size

question 13

Multiple Choice

Which factor is responsible for reductions in population size?

• A) immigration
• B) death
• C) birth
• D) reproduction
• E) dispersion

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Definitions:

Permanent

Lasting or intended to last or remain unchanged indefinitely.

Uncontrollable

Not able to be controlled, managed, or governed.

Mood Disorders

A category of mental disorders involving persistent disturbances in mood or emotional state, such as depression or bipolar disorder.

Cortisol

A hormone secreted by the adrenal cortex that elevates blood sugar and protects the body’s tissues in case of injury; if chronically elevated due to stress, it can lead to hypertension, immune disorders, other illnesses, and possibly depression.