Two 1-Km² Areas of Mature Forest Are at the Same

question 42

Multiple Choice

Two 1-km² areas of mature forest are at the same latitude.Area A is surrounded by developed land with housing and shopping centers.Area B is in the center of a 100-km² conservation area of mature forest.A team of scientists does surveys to determine the diversity of arthropod species in both areas.Which area will likely show greater species diversity,and why?

• A) Area A,because it will have lower levels of vertebrate predation
• B) Area A,because its smaller favorable habitat will cause greater aggregation of arthropod populations
• C) Area B,because its herbivorous arthropods have decreased competition for food
• D) Area B,because it is less isolated from a species pool of potential arthropod immigrants
• E) Areas A and B will show approximately equal diversities because they have the same areas,habitats,and latitudes and will attract equal numbers of species.

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Definitions:

Directionality

The quality or condition of having a specific direction, orientation, or tendency.

Activation

Involves the arousal of the brain or body to a state of increased responsiveness to stimuli.

Vigor

Physical strength, health, and energy.

Nomothetic

An approach in psychology that seeks to study and identify general laws and principles that can be applied broadly across individuals.