Chapter 53 Studyguide
Biology, 7e (Campbell)
Chapter 53: Community Ecology
Chapter Questions
1) Communities can be linked by which of the following? I. predation II. systematics III. competition
A) I only
B) III only
C) I and II only
D) I and III only
E) I, II, and III
Answer: D
Topic: Concept 53.1
Skill: Knowledge
2) Which of the following statements is consistent with the competitive exclusion principle?
A) Bird species generally do not compete for nesting sites.
B) The density of one competing species will have a positive impact on the population growth of the other competing species.
C) Two species with the same fundamental niche will exclude other competing species.
D) Even a slight reproductive advantage will eventually lead to the elimination of inferior species.
E) Evolution tends to increase competition between related species.
Answer: D
Topic: Concept 53.1
Skill: Comprehension
3) The presence of all of the following tend to increase species diversity except
A) competitive exclusion.
B) keystone predators.
C) patchy environments.
D) moderate disturbances.
E) migration of populations.
Answer: A
Topic: Concept 53.1
Skill: Comprehension
4) According to the competitive exclusion principle, two species cannot continue to occupy the same
A) habitat.
B) niche.
C) territory.
D) range.
E) biome.
Answer: B
Topic: Concept 53.1
Skill: Knowledge
Figure 53.1
5) The entire box shown in Figure 53.1 represents the niche of species A. Species A is biologically constrained from the striped area of its niche by species B. This is an example of
A) dynamic stability.
B) facilitation.
C) commensalism.
D) competitive exclusion.
E) secondary succession.
Answer: D
Topic: Concept 53.1
Skill: Application
6) The sum total of an organism's interaction with the biotic and abiotic resources of its environment is called its
A) habitat.
B) logistic growth.
C) biotic potential.
D) microclimax.
E) ecological niche.
Answer: E
Topic: Concept 53.1
Chapter 53: Community Ecology
Chapter Questions
1) Communities can be linked by which of the following? I. predation II. systematics III. competition
A) I only
B) III only
C) I and II only
D) I and III only
E) I, II, and III
Answer: D
Topic: Concept 53.1
Skill: Knowledge
2) Which of the following statements is consistent with the competitive exclusion principle?
A) Bird species generally do not compete for nesting sites.
B) The density of one competing species will have a positive impact on the population growth of the other competing species.
C) Two species with the same fundamental niche will exclude other competing species.
D) Even a slight reproductive advantage will eventually lead to the elimination of inferior species.
E) Evolution tends to increase competition between related species.
Answer: D
Topic: Concept 53.1
Skill: Comprehension
3) The presence of all of the following tend to increase species diversity except
A) competitive exclusion.
B) keystone predators.
C) patchy environments.
D) moderate disturbances.
E) migration of populations.
Answer: A
Topic: Concept 53.1
Skill: Comprehension
4) According to the competitive exclusion principle, two species cannot continue to occupy the same
A) habitat.
B) niche.
C) territory.
D) range.
E) biome.
Answer: B
Topic: Concept 53.1
Skill: Knowledge
Figure 53.1
5) The entire box shown in Figure 53.1 represents the niche of species A. Species A is biologically constrained from the striped area of its niche by species B. This is an example of
A) dynamic stability.
B) facilitation.
C) commensalism.
D) competitive exclusion.
E) secondary succession.
Answer: D
Topic: Concept 53.1
Skill: Application
6) The sum total of an organism's interaction with the biotic and abiotic resources of its environment is called its
A) habitat.
B) logistic growth.
C) biotic potential.
D) microclimax.
E) ecological niche.
Answer: E
Topic: Concept 53.1