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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Textbook Question
Chapter 56.5, Problem 3CC
WHAT IF? → Suppose a new fishery is discovered, and you are put in charge of developing it sustainably. What ecological data might you want on the fish population? What criteria would you apply for the fishery's development?
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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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- Consider ecological efficiency and energetic hypothesis, why are there few lions than wildebeest in africa ?arrow_forwardWHAT IF? Consider a grassland with five trophic levels:grasses, mice, snakes, raccoons, and bobcats. If youreleased additional bobcats into the grassland, howwould grass biomass change if the bottom-up modelapplied? If the top-down model appliedarrow_forwardWHAT IF? Suppose a scientist finds that a populationof plants growing in a breezy location is more prone toherbivory by insects than a population of the samespecies growing in a sheltered area. Suggest a hypothesisto account for this observation.arrow_forward
- Why are there so few lions compared to wildebeest in africa? Explain this in terms of ecological efficiency and energetic hypothesisarrow_forwardSuppose that hares are the only prey and food supply of bobcats, and that the predator‒prey interaction follows Lotka‒Volterra dynamics. The mortality rate of bobcats in the absence of rabbits is 0.1 per month. The intrinsic growth rate of rabbits in the absence of predators is 0.2 per month. The attack efficiency of bobcats is 0.004. The efficiency at which hare biomass is converted into bobcat biomass is 0.25. If there are 60 bobcats and 400 hares, the instantaneous rate of change in the hare population will be a ____________ per month, and the instantaneous rate of change in the bobcat population will be a ____________ per month. A. loss of 16 hares; loss of 6 bobcats B. loss of 16 hares; gain of 18 bobcats C. gain of 16 hares; gain of 6 bobcats D. gain of 80 hares; gain of 24 bobcats E. loss of 96 hares; gain of 6 bobcatsarrow_forwardWHAT IF? In what way is the Kissimmee River project a more complete ecological restoration than theMaungatautari project (see Figure 55.17)?arrow_forward
- 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.)arrow_forwardFood Web Construction Directions: Construct a food web using the following organisms (grass,leaves,owl, snake,grasshopper,hawk,bird,caterpillar,rabbit) Use Words to Construct. And answer the question that follow 1What is/are the producer(s) in the food web? 2What organism(s) feed directly on plants? 3What is/are the secondary consumer(s) in the food web? 4What is/are the tertiary consumer(s) in the food web?arrow_forwardSuppose that blue sheep are the most important prey of snow leopard, and that the predator‒prey interaction follows Lotka‒Volterra dynamics. The mortality rate of snow leopard in the absence of blue sheep is 0.1 per week, and the intrinsic growth rate of blue sheep in the absence of snow leopard predation is 0.2 per week. Snow leopard capture efficiency is 0.002, and the efficiency at which blue sheep biomass is converted into snow leopard biomass is 0.2. If there are initially 30 snow leopards and 400 blue sheep, the overall rate of change in the blue sheep population will be a gain of ____ per week.arrow_forward
- 1. Based on the graph, determine the population of carabao in: i. 4 years: 2. Based on the graph, determine the population of carabao in: ii. 5 years:3. Based on the graph, determine the population of carabao in: iii. 6 years:4. What is the maximum carrying capacity of carabao in the given ecosystem? 5. How many years did it take for the carabao to reach its carrying capacity? Explain your answerarrow_forwardIs Sustainable Development Goal realistic or idealistic? Why or why not? Give examples that support your point of view.arrow_forwardDraw an energy pyramid for an ecosystem with three levels ofconsumers.arrow_forward
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