In Some Situations, the Death Rate of a Population Declines

question 69

Multiple Choice

In some situations, the death rate of a population declines before the birth rate begins to decline. What can be concluded about the population?

• A) The carrying capacity is being reached.
• B) The population is in a demographic transition.
• C) A density-dependent factor is in action.
• D) The population occurs in an industrialized nation.

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Definitions:

Limbic System

A complex set of brain structures located on both sides of the thalamus, immediately beneath the cerebrum, involved in various functions including emotions, behavior, and long-term memory.

Medulla

Part of the brainstem that controls vital bodily functions such as heartbeat and breathing.

Cerebellum

The part of the brain at the back of the skull in vertebrates, which coordinates and regulates muscular activity.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for quick response to stress or danger, often referred to as the "fight or flight" response.