Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 53.6, Problem 3CC
WHAT IF? → Type "personal ecological footprint calculator" into a search engine and use one of the resulting calculators to estimate your footprint. Is your current lifestyle sustainable? If not, what choices can you make to influence your own ecological footprint?
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What challenges are anticipated in reducing an ecologically footprint? How might a person overcome those challenges?
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O The inputs to the ecosystem were not calibrated correctly.
O The experiment was created so the enclosed ecosystem was balanced.
O The natural processes in the ecosystem did not cycle chemicals correctly.
O The inputs were not adequately tested by a third party.
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Biosphere 2 was a failed experiment at creating an enclosed self-sustaining ecosystem. The ecosystem was not able to thrive, and plants could not
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The bar graph shows the cost per megawatt-hour comparison of various renewable and nonrenewable energy sources in
the United States. The blue portion of the bars represents the cost of electricity. The red portion represents the additional
system costs of harnessing that type of energy. Systems costs may include equipment expenses and costs of connection
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S/MWh, 7% discount factor
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Chapter 53 Solutions
Campbell Biology
Ch. 53.1 - DRAW IT Each female of a particular fish species...Ch. 53.1 - Prob. 2CCCh. 53.1 - Prob. 3CCCh. 53.2 - Explain why a constant per capita rate of growth...Ch. 53.2 - Prob. 2CCCh. 53.2 - Prob. 3CCCh. 53.3 - Explain why a population that fits the logistic...Ch. 53.3 - WHAT IF? Given the latitudinal differences in...Ch. 53.3 - Prob. 3CCCh. 53.4 - Identify three key life history traits, and give...
Ch. 53.4 - Prob. 2CCCh. 53.4 - Prob. 3CCCh. 53.5 - Prob. 1CCCh. 53.5 - Prob. 2CCCh. 53.5 - WHAT IF? Suppose you were studying a species that...Ch. 53.5 - Prob. 4CCCh. 53.6 - How does a human population's age structure affect...Ch. 53.6 - How have the rate and number of people added to...Ch. 53.6 - WHAT IF? Type "personal ecological footprint...Ch. 53 - Gray whales (Eschrichtius robustus) gather each...Ch. 53 - Suppose one population has an r that is twice as...Ch. 53 - Prob. 53.3CRCh. 53 - Prob. 53.4CRCh. 53 - Density-dependent factors regulate population...Ch. 53 - The human population is no longer growing...Ch. 53 - Population ecologists follow the fate of same-age...Ch. 53 - A population's carrying capacity (A) may change as...Ch. 53 - Scientific study of the population cycles of the...Ch. 53 - Analyzing ecological footprints reveals that (A)...Ch. 53 - Based on current growth rates, Earth's human...Ch. 53 - The observation that members of a population are...Ch. 53 - According to the logistic growth equation...Ch. 53 - During exponential growth, a population always (A)...Ch. 53 - Prob. 9TYUCh. 53 - Prob. 10TYUCh. 53 - EVOLUTION CONNECTION Contrast the selective...Ch. 53 - Prob. 12TYUCh. 53 - Prob. 13TYUCh. 53 - WRITE ABOUT A THEME: INTERACTIONS In a short essay...Ch. 53 - SYNTHESIZE YOUR KNOWLEDGE Locusts (grasshoppers in...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is your ecological footprint? To find out, search for the PersonalFootprint Calculator on the Global Footprint Network website (or finda similar calculator on the Internet). What can you do to reduce yourecological footprint?arrow_forwardAt which level of the Ecological Model is the following quote focused upon? From the website of Los Angeles County Parks & Recreation: "Parks are a perfect place to exercise and stay fit. Frequent and regular physical exercise boosts the immune system and helps prevent diseases such as heart disease, cardiovascular disease, diabetes and obesity. Health care providers often call exercise the "miracle" or "wonder" drug because of the wide variety of proven benefits that it provides. Get started in your exercise program today at your local park." (https://parks.lacounty.gov/health/?row=1#exerciseFitnessColumn) Intrapersonal Institutional Community Public policyarrow_forwardQuestiion: A given ecosystem has the following amounts of energy available at each trophic level: Primary producers: 3,000 gC/m2/day; Primary consumers: 450 gC/m2/day; Secondary consumers: 45 gC/m2/day; Tertiary consumers: 2.25 gC/m2/day. Does this ecosystem follow Lindeman’s Law for ecological efficiency? A- No, the average efficiency is 20% B- Yes, the average efficiency is 20% C- Yes, the average efficiency is 10% D- No, the average efficiency is 10%arrow_forward
- Suppose 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_forwardIdentify one environmental problem. Diagram all the fields of specialization needed and state research questions they need to answer in proposing a solution to that problem. A sample diagram is attach for your guidancearrow_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
- Explain the importance of sustainability within society. Why should we move towards sustainability as quickly as possible? What stands in the way, and what can we do to initiate this transition?arrow_forwardAt which level of the Ecological Model is the following quote focused upon? "I started to put on weight by the time I was seven. There was no obesity in the family and I played out of doors getting plenty of exercise. I was encouraged not to overeat, though surrounded by energetic brothers I liked to compete with them in everything, including meal sizes. I weighed nine stone [126 pounds] when I was nine and was quite proud to be the heaviest girl in the class, but ashamed when I was 13 stone [182 pounds] at 13. I've had weight/eating problems ever since. " (https://www.bbc.com/news/magazine-19743173) Community Interpersonal Intrapersonal Institutionalarrow_forwardEcological footprint is the product of three factors: • population size, ● intensity of resource extraction, ● intensity of waste production. Each of these factors puts strain on our food systems. Search for a strategy human populations or individuals can make to reduce one of the three factors that contribute to our ecological footprint. Practice good Initiative skills as you consider strategies that could be specific to a particular part of the world. How would this help our food systems to be more effective at producing quality food?arrow_forward
- Define natural capital. Define natural resourcesand ecosystem services, and give two examples ofeach. Give three examples of how we are degradingnatural capital. Explain how finding solutions to environmental problems involves making trade-offs.Explain why individuals matter in dealing with theenvironmental problems we face. What are threesocial science principles of sustainability? Whatis full-cost pricing and why is it important?arrow_forwardWhy are there so few lions compared to wildebeest in africa? Explain this in terms of ecological efficiency and energetic hypothesisarrow_forwardusing cause and effect, outline one possible process for implementing a plan for environmental sustainability.arrow_forward
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