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:

Marijuana Use

The act of consuming marijuana, a psychoactive drug from the Cannabis plant, for various purposes including recreation and medical treatment.

Reproductive-age

The span of years during which an individual has the biological capability to reproduce, commonly ranging from puberty to menopause.

Sexual Frequency

The number of times an individual or couple engages in sexual activity within a given time period.

Amyl Nitrate

A chemical compound used medicinally to treat angina and recreationally as a popper to induce a brief rush or sensation of euphoria.