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Principles of Environmental Science
William P. Cunningham, University of Minnesota
Mary Ann Cunningham, Vassar College
Populations, Communities, and Species Interaction

True False Quiz



1

Predation, physiological stress, competition, and luck can cause selective pressure in a species.
A)True
B)False
2

The process that causes unrelated organisms to develop similar appearances and behavior in similar environments is called convergent evolution.
A)True
B)False
3

Weeds are defined as any species that grows rapidly and in places where you don't want them.
A)True
B)False
4

Scavengers, detritivores, and decomposers are considered predators because they feed on dead prey.
A)True
B)False
5

Logistic growth occurs when a species grows exponentially due to unlimited resources.
A)True
B)False
6

Theoretical unlimited growth is graphically represented by an S curve.
A)True
B)False
7

Species diversity in an ecotone is generally poor because most organisms only occupy one community.
A)True
B)False








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