Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
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 1TYU
One characteristic that distinguishes a population in an extinction vortex from most other populations is that
- (A) it is a rare, top-level predator.
- (B) its effective
population size is lower than its total population size. - (C) its genetic diversity is very low.
- (D) it is not well adapted to edge conditions.
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One characteristic that distinguishes a populationin an extinction vortex from most otherpopulations is that(A) it is a rare, top-level predator.(B) its effective population size is lower than itstotal population size.(C) its genetic diversity is very low.(D) it is not well adapted to edge conditions.
If 99% of the species that ever existed are now extinct, why is there such concern over the extinction rates over the last several centuries?
If the human species were to suffer a population crash, what are three species that might move in to occupy part of our ecological niche?
Chapter 56 Solutions
Campbell Biology (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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- What does it mean if the growth rate is 0.090, probability of extinction is 0.00, mean population is 240, and genetic diversity is 92?arrow_forwardWhat are the implications of the "bottleneck effect" for wildlife managers who try to help endangered species, such as the whooping crane, recover from near extinction?arrow_forwardHow does the study of population ecology help us understand why some populations grow, some remain stable and others decline? The human population has grown as we have increased our global carrying capacity. In your opinion, can the global carrying capacity continue to increase/ Explain your answer? Why has human population growth, which increased exponentially for centuries, started to decline in the past few decades?arrow_forward
- Natural processes of species formation and extinction emerge on a timescale measured in millions of years, whereas human-mediated extinctions are measured on a scale of years to decades. How does this discrepancy complicate our attempts to conserve biodiversity?arrow_forwardWhich types of species are most vulnerable to extinction?arrow_forwardHow should the probability of extinction due to stochastic processes vary with population size in the California Spotted Owl?arrow_forward
- If the human species were to suffer a population crash, list three species that might move in to occupy part of our ecological niche. List and explain three species that would likely decline as a result.arrow_forwardWhich of the following is not true of a population of largepredators in a small reserve?a. The species may disappear from the reserve.b. The species will probably undergo a populationexplosion.c. The species will probably lose genetic diversity.d. The species may overeat its prey, causing a reduction inprey population.arrow_forwardHumans are beginning to fragment populations more and more: which population structure is most useful in highly fragmented habitats that used to represent one large habitat? A. Source and sink modelsB. MetapopulationsC. Linear Stepping StoneD. Two dimensional stepping stone Which is typically the most appropriate population structure model when you are focusing on a remote, single island? A: Source and sink modelsB: MetapopulationsC: Linear Stepping StoneD: Two dimensional stepping stonearrow_forward
- what does it mean if the growth rate is 0.090, probability of extinction is 0.00, mean population is 240, and genetic diversity is 92? Please explain how they relate with each other.arrow_forwardWhat do bioarchaeologists do? A. None of these are correct B. They identify population trends by looking at prehistoric living structures. C. They identify population trends by looking at skeletal material. D. They only look at ancient artifacts to study past populations.arrow_forwardAn extinction vortex describes a) changes in a population’s gene pool that lead to a loss in fitness across time. b) a species ability to adapt to changes in their environment. c) the continuous series of extinctions caused by competition between species. d) a population that has a reduction in fitness because it cannot escape a Hardy-Weinberg Equilibrium.arrow_forward
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