In 1978,a Drought on the Galapagos Islands Caused a Reduction

question 80

Multiple Choice

In 1978,a drought on the Galapagos Islands caused a reduction in the production of seeds upon which one of Darwin's finches,a kind of bird,fed.This caused a decrease from 1,400 to 200 birds.This population change factor

• A) would not be considered a part of the carrying capacity for these birds.
• B) was density-dependent.
• C) was density-independent.
• D) resulted in exponential growth for the bird population.

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Definitions:

Tuckman's Five-Stage Model

A psychological theory that describes five phases of group development: forming, storming, norming, performing, and adjourning.

Group Development

Describes the stages (forming, storming, norming, performing, and adjourning) through which groups pass as they evolve and mature.

Stage

A specific phase or period in a process of development or progression.

Cognitive Dissonance

The mental discomfort experienced by an individual who holds two or more contradictory beliefs, ideas, or values at the same time.