The Primary Cause of World Population Growth in Recent Years

question 28

Multiple Choice

The primary cause of world population growth in recent years has been a decline in______________,which is the incidence of death in a population.

• A)the crude death rate
• B)mortality
• C)the death quota
• D)the total death rate

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Definitions:

Lake Zone

A specific area or region within or around a lake, often characterized by unique ecological characteristics or management requirements.

Benthic Zone

The ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.

Profundal Zone

A deep zone in a body of water, such as a lake, where sunlight does not penetrate, affecting the types of organisms that can live there.

Limnetic Zone

The open surface waters in a lake, away from the shore, where sunlight penetrates, supporting planktonic and free-swimming aquatic life.