Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 57, Problem 2TY
Summary Introduction
Introduction: Species interact and compete with each other in an ecosystem for their survival. Similar species also compete for
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When interspecific competition is weaker than intraspecific competition for both species A & B in the Lotka-Volterra competition model_________________.
a. species A wins
b. both species coexist
c. both species go extinct
d. species B wins
According to the competitive exclusion principle,a. one species is always more competitive than another for a particular food source.b. competition excludes multiple species from using the same food source.c. no two species can occupy the same niche at the same time.d. competition limits the reproductive capacity of species.
Competitive exclusion occurs from
Select one:
a. intraspecific competition
b. interspecific competition
c. predator–prey relationship
d. producer–consumer relationship
Chapter 57 Solutions
Biology
Ch. 57.1 - Prob. 1CCCh. 57.1 - Prob. 2CCCh. 57.1 - Prob. 1EQCh. 57.1 - Prob. 2EQCh. 57.1 - Prob. 3EQCh. 57.2 - Prob. 1CCCh. 57.2 - Prob. 2CCCh. 57.2 - (a) A quahog clam, cless Bavalvia (b) A chlton,...Ch. 57.2 - Prob. 3CCCh. 57.2 - Prob. 2CS
Ch. 57.2 - Core Skill: Connections More than 4,500 species of...Ch. 57.3 - Prob. 1CCCh. 57.3 - Prob. 1CSCh. 57.4 - Prob. 1CCCh. 57.4 - Core Skill: Modeling The goal of this modeling...Ch. 57 - Prob. 1TYCh. 57 - Prob. 2TYCh. 57 - Prob. 3TYCh. 57 - In Lacks study of passerine birds in Britain,...Ch. 57 - Prob. 5TYCh. 57 - Prob. 6TYCh. 57 - Prob. 7TYCh. 57 - Prob. 8TYCh. 57 - Prob. 9TYCh. 57 - Prob. 10TYCh. 57 - Prob. 1CQCh. 57 - Prob. 2CQCh. 57 - Prob. 1COQCh. 57 - Prob. 2COQCh. 57 - Prob. 3COQ
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- As the density of a population of crickets increases, the abundance of their food (plants) decreases, and there is a corresponding decrease in the population growth rates of crickets. As adult crickets forage they are observed chirping (vocalization) and share the best feeding locations. This interaction is an example of … a. interspecific interference competition b. intraspecific exploitative competition c. interspecific exploitation competition d. intraspecific interference competitionarrow_forwardIn a food web, two different species can directly affect each other’s abundance via _ competition or may in fact have their abundance indirectly regulated by a higher trophic level, a phenomenon called ____ competition. a) Intraspecific, apparent b) Interspecific, apparent c) Intraspecific, apparent d) Apparent, interspecificarrow_forwardWhich of the following regarding species interactions is INCORRECT? a) The net effects of a mutualism on each participant is a fixed characteristic of the interaction, and is rarely influenced by external factors. b) Reciprocal parasitism is an accurate way of describing many mutualistic interactions. c) The Lotka-Volterra competition model accounts for the effects of both interspecific and intraspecific competition.arrow_forward
- Which of the following statements is correct regarding the competitive exclusion concept? a. multiple species can’t share the exact same niche within a community b. the realized niche of a species is different from its fundamental niche. c. competition within a population results in the success of the best-adapted individuals. d. two species cannot coexist within the same habitat.arrow_forwardDeer 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_forwardA frog population lives in a pond covered with a species of aquatic plant that attracts insects due to its color. The small frogs depend on the insects for This represents a _______ relationship between the frog and the plant species. a) predation b) mutualistic c)competitive d)commensalismarrow_forward
- The use of the same limiting resource by two species is called (A) parasitism, (B) competition, (C) mutualism, (D) optimal foraging, (E) character displacement.arrow_forwardWhy do moderate levels of disturbance result in an increase in community diversity?a) The resulting uniform habitat supports stability, which in turn supports diversity.b) Less-competitive species evolve strategies to compete with dominant species.c) Habitats are opened up for less competitive speciesd) Competively dominant species infrequently exclude less competitive species after a moderate disturbance.arrow_forwardThe presence of one species (A) in a community may benefit another species (B) if a. a commensalistic relationship exists between the two. b. The first species (A) preys on a predator of the second species (B). c. The first species (A) preys on a species that competes with a species that is eaten by the second species (B). d. All of the choices are correct.arrow_forward
- Which statement about zero population growth isoclines of two competing species is true? A. Species coexistence requires that the two isoclines cross. B. The crossing of the two isoclines is a sufficient condition for species coexistence. C. If the species coexist, they will each do so at a higher density than either would if placed alone. D. Strongly competing species can only coexist if the two species have very different carrying capacities. E. Coexistence will occur if the two isoclines are parallel.arrow_forwardThe principle of competitve exclusion states thata) Competition between two species always causes extinction or emigration of one species.b) Two species will stop reproducing until one species leaves the habitat.c) Two species cannot coexist in the same habitat. d) Two species that have exactly the same niche cannot coexist in a community.arrow_forwardWhich of the following biological interactions can be considered interspecific mutualism? Question 7 options: a) A population of mussels that have their population size regulated via starfish predation b) A relationship between two individuals from different species and from which only one benefits c) A lamprey feeding on the blood of a lake trout d) Two lions cooperating with each other while hunting e) Pollination from a hummingbird feeding on a flowerarrow_forward
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