Jacob Is Studying a Population of Wrens in Michigan

question 8

Multiple Choice

Jacob is studying a population of wrens in Michigan. During one severe winter, 5% of the birds died due to starvation and cold temperatures. Severe weather is an example of

• A) a density-independent factor.
• B) a negative growth rate.
• C) a density-dependent factor.
• D) an opportunistic population.
• E) logistic growth.

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Definitions:

Marginal Benefit

The enhancement in satisfaction or utility that comes from acquiring or making an additional unit of a product or service.

Pollution Control

The implementation of measures to reduce or eliminate the emission of pollutants into the environment.

Pollution Abatement

Measures and efforts taken to reduce, control, or eliminate pollution from a particular source.

Negative Externalities

Costs that are suffered by a third party as a result of an economic transaction that they were not directly involved in.