Often the Growth Cycle of One Population Has an Effect

question 30

Multiple Choice

Often the growth cycle of one population has an effect on the cycle of another. As moose populations increase, for example, wolf populations also increase. Thus, if we are considering the logistic equation for the wolf population, = rN
Which of the factors accounts for the effect of the moose population?

• A) r
• B) N
• C) rN
• D) K

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Definitions:

Hormones

Substances secreted by endocrine glands that control and influence numerous body functions and activities.

Neurotransmitters

Chemical substances that transmit signals across a synaptic gap from one neuron to another in the nervous system.

Bloodstream

The bloodstream is the flowing blood within the circulatory system of the body, responsible for transporting oxygen, nutrients, and waste products to and from body tissues.

Visual Field

The entire space observable in peripheral view when focusing the eye on a single central location.