Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)
11th Edition
ISBN: 9780134082318
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 56, Problem 5TYU
Which of the following strategies would most rapidly increase the genetic diversity of a population in an extinction vortex?
- (A) Establish a reserve that protects the population's habitat.
- (B) Introduce new individuals transported from other populations of the same species.
- (C) Sterilize the least fit individuals in the population.
- (D) Control populations of the endangered population's predators and competitors.
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Chapter 56 Solutions
Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)
Ch. 56.1 - Explain why it is too narrow to define the...Ch. 56.1 - Identify the four main threats to biodiversity and...Ch. 56.1 - WHAT IF? Imagine two populations of a fish...Ch. 56.2 - How does the reduced genetic diversity of small...Ch. 56.2 - If there were 100 greater prairie chickens in a...Ch. 56.2 - WHAT IF? In 2005, at least ten grizzly bears in...Ch. 56.3 - Prob. 1CCCh. 56.3 - Prob. 2CCCh. 56.3 - Prob. 3CCCh. 56.4 - How can the addition of excess mineral nutrients...
Ch. 56.4 - MAKE CONNECTIONS There are vast stores of organic...Ch. 56.4 - MAKE CONNECTIONS Mutagens are chemical and...Ch. 56.5 - What is meant by the term sustainable development?Ch. 56.5 - Prob. 2CCCh. 56.5 - WHAT IF? Suppose a new fishery is discovered, and...Ch. 56 - Give at least three examples of key ecosystem...Ch. 56 - Why is the minimum viable population size smaller...Ch. 56 - Prob. 56.3CRCh. 56 - Prob. 56.4CRCh. 56 - Prob. 56.5CRCh. 56 - One characteristic that distinguishes a population...Ch. 56 - The main cause of the increase in the amount of...Ch. 56 - Prob. 3TYUCh. 56 - Which of the following is a consequence of...Ch. 56 - Which of the following strategies would most...Ch. 56 - Of the following statements about protected areas...Ch. 56 - Prob. 7TYUCh. 56 - Prob. 8TYUCh. 56 - SCIENTIFIC INQUIRY (a) Estimate the average CO2....Ch. 56 - WRITE ABOUT A THEME: INTERACTIONS One factor...Ch. 56 - Prob. 11TYU
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- 3 Two species (A, B) have fecundities of A:3 and B:4 and both have the same survival rate. a) Which species has the greater fitness? B b) c) Is the population size increasing or decreasing? Impossible to determine without knowing the survival rate What is the maximum relative fitness of these two species? 1arrow_forwardEnvironments with low frequency and intensity of disturbance tend to have ________ species diversity because ______. Group of answer choices A) low; the best competitors exclude any other species B) high; disturbances kill off a large number of individuals C) low; there are fewer late-successional species than early-successional species D) high; more species can colonize over a longer period of time Question: Answer choice selection is either: Burkina Faso or Italy for all three answer choicesarrow_forward22.According to the intermediate disturbance hypothesis _____________________. A) species diversity is highest when disturbance is rare. B) species cannot colonize after intermediate disturbance. C) competition eliminates species when disturbance is rare. D) competition eliminates species when disturbance is common. 33. Inbreeding depression is the result of increased homozygosity. A) True B) Falsearrow_forward
- Which curve on the graph represents a species that produces high numbers of offspring with little paternal care? a) Graph 1 b) Graph 2 c) Graph 3 d) Graph 4arrow_forwardWhich of the following is true of a population approaching its carrying capacity? a) The population’s emigration is greater than its immigration. b) The population has access to unlimited resources. c) Intraspecific competition decreases. d) The population’s rate of increase approaches zero.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_forward
- A population of 1,492 finches is introduced to a rainforest. Over the next year, the finches show a death rate of 0.395 while the population drops to 1,134. What's the birth rate for this population? Is this proving to be a suitable habitat? (Two answers) a) Yes, this is a suitable habitat. The birth rate is higher than the death rate. b) No, this is not a suitable habitat. The birth rate is much lower than the death rate. c) 589 d) -358 e) 0.155 f) 0.845arrow_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_forwardHow might the removal of a regionally adapted population make a species more susceptible to extinction?arrow_forward
- Support for the individualistic model of community structure includes (a) the decline of honeybees because of two species of parasitic mites (b) the identification of fig trees as a keystone species in tropical forests (c) the competitive exclusion of one Paramecium species by another (d) the distribution of trees along a moisture gradient in Wisconsin forests (e) theeffects of the removal of a dominant rodent species from an Arizona desertarrow_forwardQuestion 2 Connectivity decreases when Question 2 options: A) dispersal is frequent. B) population boundaries are removed. C) there are habitat barriers to dispersal. D) population boundaries are undefined. Question 3 Life expectancy. Question 3 options: A) does not change with age. B) is always equal between genders. C) changes with age. D) is equivalent to life span. Question 4 Which of the following is not an important determinant of population change? Question 4 options: A) E (emigration) B) B (birth rate) C) C (connectivity) D) D (death rate). lenovoarrow_forwardDuring exponential growth, a population always(A) has a constant per capita population growth rate.(B) quickly reaches its carrying capacity.(C) cycles through time.(D) loses some individuals to emigrationarrow_forward
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