Chapter 54, Problem 1
The feeding relationships among the species in a community determine the community's a. secondary succession. b. ecological niche. c. species richness. d. trophic structure.
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The principle of competitive exclusion states that a. two species cannot coexist in the same habitat. b. competition between two species always causes extinction or emigration of one species. c. two species that have exactly the same niche cannot coexist in a community. d. two species will stop reproducing until one species leaves the habitat.
Based on the intermediate disturbance hypothesis, a community's species diversity is increased by a. frequent massive disturbance. b. stable conditions with no disturbance. c. moderate levels of disturbance. d. human intervention to eliminate disturbance.
According to the island equilibrium model, species richness would be greatest on an island that is a. large and remote. b. small and remote. c. large and close to a mainland. d. small and close to a mainland.