Population Growth Typically Slows Down When Populations Reach Carrying Capacity

question 42

Multiple Choice

Population growth typically slows down when populations reach carrying capacity because

• A)resource limitation decreases birth rates.
• B)abundant resources reduce competition.
• C)density-independent mortality increases.
• D)predation pressure is reduceD.

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Definitions:

Volume Overload

A clinical condition where there is an excessive accumulation of fluid in the body, leading to swelling and increased blood volume.

Semilunar Valves

Valves located between the ventricles of the heart and the large arteries leaving the heart (the pulmonary artery and aorta) that prevent backflow of blood into the ventricles.

Diastole

The period during a heartbeat when the heart muscle is in a state of relaxation, permitting the chambers to be replenished with blood.

Carotid Artery Pulse

A pulse that can be felt on either side of the neck over the carotid arteries, used to assess heart rate and rhythm.