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 10TYU
WRITE ABOUT A THEME: INTERACTIONS One factor favoring rapid population growth by an introduced species is the absence of the predators, parasites, and pathogens that controlled its population in the region where it evolved. In a short essay (100-350 words), explain how evolution by natural selection in a region of introduction would influence the rate al which native predators, parasites, and pathogens attack an introduced species.
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MAKE CONNECTIONS Commercial fisheries targetolder, larger cod fish, causing cod that reproduce at ayounger age and smaller size to be favored by naturalselection. Younger, smaller cod have fewer offspring thando older, larger cod. Predict how evolution in responseto fishing would affect the ability of a cod populationto recover from overfishing. What other reciprocal ecoevolutionary effects might occur? (See Concept 23.3.)
WRITE ABOUT A THEME: INTERACTIONS In Batesianmimicry, a palatable species gains protection by mimickingan unpalatable one. Imagine that individuals of a palatable,brightly colored fly species are blown to three remote islands.The first island has no predators of that species; the second haspredators but no similarly colored, unpalatable species; and thethird has both predators and a similarly colored, unpalatablespecies. In a short essay (100–150 words), predict what mighthappen to the coloration of the palatable species on each islandthrough time if coloration is a genetically controlled trait.Explain your predictions
Organismsthat produce many offspring would best be characterized by which of thefollowing?a.A convex survivorship curveb.A concave survivorship curvec.A linear survivorship curved.A sigmoidal survivorship curvee.None of the choices apply
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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- LAB: THE LESSON OF THE KAIBAB INTRODUCTION: The environment may be changed by the things within the biotic community, as well as relationship between organisms and the nonliving environment. The carrying capacity of an ecosystem is the maximum number of organisms that an area can support over time. The density of a population may cause huge changes in the environment so that the environment becomes unstable for the survival of that species. Humans can mess up natural selection and have either a positive or negative effect. OBJECTIVES Graph data on the Kaibab deer population of Arizona from 1905-1939. Analyze the factors that caused the changes in the deer population. PROCEDURE: Before 1905, there was an estimated 4000 deer on almost 30,000 hectacres of land on the Kaibab Plateau in Arizona. The average carrying capacity of the land at that time was estimated to be about 30,000 deer. Being concerned about the low number of deer, President Theodore Roosevelt created the Grand Canyon…arrow_forwardHow does extirpation differ from extinction? Group of answer choices Extinction and extirpation are the same thing. Extirpation is the loss of a single population, while extinction is the loss of an entire species. Extinction only happens during a mass extinction. Extinction is the loss of a single population, while extirpation is the loss of an entire species.arrow_forwardThe video discuss some of the factors that allowed lionfish to expand throughout the Atlantic region. Which of the following reasons were given for why the lion fish population has been able to expand so rapidly? A. The Atlantic region has fewer parasites that attack lionfish. B. The lionfish outcompete native fish for food. C. Lionfish are able to breed more frequently the native fish. D. Atlantic predatory fish don't eat lionfish. E. None of thesearrow_forward
- CA least tern ENDANGERED ANIMAL is CA least tern questionbases on the bird CA least term Reasons for Endangerment Explain the various factors that have led to this species’ current plight. Expand on these points individually, based on your species’ unique story. Domino Effects As we’ve learned, species are not islands unto themselves; they are integrated with many other organisms in trophic relationships, mutualisms, competition, etc. How is the absence of this species (or its lowered population size) likely to impact the other members of its habitat? (If findings specific to this point are available, please include them – otherwise, I’m asking you to speculate based on what you’ve learned about the biology of this organism.) Conservation Efforts Discuss past, current, and proposed efforts to conserve this species. Are these strategies effective? Are they realistic? What is the outlook for this organism?arrow_forwardSUBJECT : Biology - Ecology Give 5 examples each of dominant, invasive, and keystone species in a tabulated format AND explain how dominant, invasive and keystone species affect their community.arrow_forwardo determine the role of a native starfish species in a coastal ecosystem, zoologist Robert Paine removed starfish from some intertidal pools and not others. He then observed how the community changed in response to the loss of starfish by comparing the diversity of the community in the pools where starfish had been removed to the diversity in pools where he had let the starfish remain. By removing starfish from some pools, what global change driver was Robert Paine investigating? overexploitation pollution climate change invasive species habitat lossarrow_forward
- Some scientists believe we are in the midst of a new phase of mass extinction, influenced by human behavior, threatening the earth’s biological diversity and contributing to widespread ecological crises. How can the study of non-human species help shape human responses to these potential threats?arrow_forwardIn addition to climate change, polar bears also face threats from pollution. Describe in two ways in which the polar bear population in the Arctic is affected by pollution. Give detailed explainations.arrow_forwardslands are well known for having many endemic (unique) species. What is a likely explanation for this pattern? A. Humans bring partly or fully domesticated species with them when they arrive on islands. B. Colonizers encounter fewer competitors on an island, so they can diversify. C. Islands are more complex habitats than continents are, so they have more niches for specializations. D. Colonizers are likely to have more diversity than local populations and thus outcompete them. E. The type of organism that is a good colonizer has more than the average amount of genetic variability, so it's more likely to speciate.arrow_forward
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