EBK BIOLOGY
11th Edition
ISBN: 8220102797352
Author: Raven
Publisher: YUZU
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Textbook Question
Chapter 56, Problem 2A
The presence of a predatory species
a. always drives a prey species to extinction.
b. can positively affect a prey species by having a detrimental effect on competing species.
c. indicates that the climax stage of succession has been reached.
d. None of the choices is correct.
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Chapter 56 Solutions
EBK BIOLOGY
Ch. 56 - Studies that demonstrate that species living in an...Ch. 56 - Prob. 2UCh. 56 - According to the idea of coevolution between...Ch. 56 - In order for mimicry to be effective in protecting...Ch. 56 - Which of the following is an example of...Ch. 56 - A species whose effect on the composition of a...Ch. 56 - When a predator preferentially eats the superior...Ch. 56 - Prob. 8UCh. 56 - Prob. 1ACh. 56 - The presence of a predatory species a. always...
Ch. 56 - Resource partitioning by sympatric species a....Ch. 56 - Parasitism differs from predation because a. the...Ch. 56 - The presence of one species (A) in a community may...Ch. 56 - Competition is traditionally indicated by...Ch. 56 - Refer to figure 56.9. If the single prey species...Ch. 56 - Prob. 3SCh. 56 - Refer to figure 56.7. Examine the pattern of beak...Ch. 56 - Is it possible that some species function together...
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- Which of the following best describes a keystone species? a. An organism, whose introduction causes or is likely to cause environmental harm b. An organism, who if removed, the entire ecosystem changes. c. Can signal a change in the biological condition of a particular ecosystem and diagnose the health of that ecosystem d. Can indirectly protect several other species in the same habitatarrow_forwardSpecies that are the first colonists in a habitat undergoing primary succession a. are usually the fiercest competitors. b. help maintain their habitat constant so their persistence is ensured. c. may change their habitat in a way that favors the invasion of other species. d. must first be successful secondary succession specialists.arrow_forwardCompetitive exclusion is the result of a. mutualism by two species for the same limiting resource. b.competition c. parasitism d. symbiosis e.commensalismarrow_forward
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- Deer and blue jays both eat acorns. By using the same resource, each reduces theamount of the resource available to the other. This is an example of ____ competition. a. solar b. predatory c. lunar d. interference e. interspecificarrow_forwardThe elimination of predators by humans a. will cause its prey to experience exponential growth until new predators arrive or evolve. b. will lead to an increase in the carrying capacity of the environment. c. may increase the population size of a prey species if that prey’s population was being regulated by predation from the predator. d. will lead to an Allee effect.arrow_forwardThe fact that H/G peoples invariably exploit only some of the potential food resources available to them can be explained by a. the carrying capacity of their territory b. their close connection to local markets and agriculturalists c. optimal foraging theory d. their marriage practices controlling land use rights;arrow_forward
- A population will most likely deplete the resources of its environment if the population . A. grows beyond carrying capacity B. must share resources with many other species C. moves frequently from one habitat to another D. has a low reproductive potentialarrow_forwardThe number of carnivores found at the top of an ecological pyramid is limited by thea. number of organisms above the top carnivores.b. number of trophic levels below the producers.c. biomass of the decomposers.d. amount of energy transferred to the top carnivores.arrow_forwardSunlight drives the production of terrestrial grasses along the bank of a tropical river. Hippo consume the grass and then defecate in the river which fertilizes aquatic plants. This assemblage is best referred to as a… a. population b. trophic cascade c. commensalism d. ecosystem e. communityarrow_forward
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