The Introduction of Wolves into Yellowstone National Park in 1991

question 50

Multiple Choice

The introduction of wolves into Yellowstone National Park in 1991 resulted in

• A) a decline in habitat for the entire community.
• B) ecological changes involving numerous plant and animal species.
• C) the migration of most of these wolves out of the park and back to Canada.
• D) the death of all of the wolves, likely due to an insufficient amount of available prey.

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Definitions:

World's Population

The total number of humans currently living on Earth.

Deleterious Alleles

Genetic variants that negatively affect the fitness or survival of an organism, often leading to disease or reduced lifespan.

Founder Effect

A reduction in genetic variation that occurs when a new population is established by a very small number of individuals from a larger population.

Isolated Populations

Groups of organisms that are separated from exchanging genetic material with other organisms of the same species, often leading to speciation.