Biology (Raven), 9th Edition

Chapter 57: Community of Ecology

Pre-Test

1
The concept of a community as an integrated until is
A)holistic.
B)modern.
C)individualistic.
D)not accepted.
E)the commonly held dogma.
2
A _____ is the total of all the ways a species uses environmental resources.
A)Community
B)Niche
C)Population
D)Territory
E)Ecosystem
3
Which of these is NOT true of predation?
A)Predation is the consuming of one organism by another.
B)Predation does not include an animal eating a plant.
C)Natural selection favors adaptations to prevent predation.
D)Predation can lead to an evolutionary "arms race".
E)Predation strongly influences prey populations.
4
Which of these species interactions is incorrect?
A)Symbiosis involves long-term interaction.
B)Keystone species have major effect on communities.
C)Parasitism benefits both involved species.
D)Commensalism benefits one species and is neutral to the other.
E)Ecological processes have interactive effects.
5
Disturbances can play an important role in structuring communities.
A)True
B)False
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