Certain Species of Squirrels and Acorn Woodpeckers Both Eat Acorns

question 22

Multiple Choice

Certain species of squirrels and acorn woodpeckers both eat acorns.In forests without squirrels,the density of acorn woodpeckers averages 100 per square kilometer,whereas in forests with squirrels,the density of acorn woodpeckers is roughly halved.This reduced density most probably results from

• A) interference competition.
• B) herbivory.
• C) character displacement.
• D) exploitative competition.

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Definitions:

Environmental Toxins

Harmful substances found in the environment, such as pollutants and chemicals, that can negatively impact health and wellbeing.

Genetically Inherited

Traits or characteristics passed down from parents to offspring through genes.

Physiological Origin

The source or cause of a phenomenon or condition rooted in the body's physical and biological functions.

Voluntarism

A theory or system that emphasizes the role of individual will or intention in decision making or the shaping of events.