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 55, Problem 55.3CR
Why would runners hove a lower production efficiency when running a long-distance race than when they are sedentary?
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Chapter 55 Solutions
Campbell Biology (11th Edition)
Ch. 55.1 - Why is the transfer of energy in an ecosystem...Ch. 55.1 - WHAT IF? You are studying nitrogen cycling on the...Ch. 55.1 - MAKE CONNECTIONS Use the second law of...Ch. 55.2 - Why is only a small portion of the solar energy...Ch. 55.2 - How can ecologists experimentally determine the...Ch. 55.2 - Prob. 3CCCh. 55.2 - MAKE CONNECTIONS Explain how nitrogen and...Ch. 55.3 - If an insect that eats plant seeds containing 100...Ch. 55.3 - Prob. 2CCCh. 55.3 - WHAT IF? Detritivores are consumers that obtain...
Ch. 55.4 - DRAW IT For each of the four biogeochemical...Ch. 55.4 - Why does deforestation of a watershed increase the...Ch. 55.4 - WHAT IF? Why is nutrient availability in a...Ch. 55.5 - Prob. 1CCCh. 55.5 - WHAT IF? In what way is the Kissimmee River...Ch. 55 - Considering the second law of thermodynamics,...Ch. 55 - Prob. 55.2CRCh. 55 - Why would runners hove a lower production...Ch. 55 - If decomposers usually grow faster and decompose...Ch. 55 - In preparing a site for surface mining and later...Ch. 55 - Which of the following organisms is incorrectly...Ch. 55 - Prob. 2TYUCh. 55 - The discipline that applies ecological principles...Ch. 55 - Level 2: Application/Analysis 4. Nitrifying...Ch. 55 - Which of the following has the greatest effect on...Ch. 55 - Prob. 6TYUCh. 55 - Which of the following would be considered an...Ch. 55 - Prob. 8TYUCh. 55 - Level 3: Synthesis/Evaluation 9. DRAW IT (a) Draw...Ch. 55 - Prob. 10TYUCh. 55 - Prob. 11TYUCh. 55 - WRITE ABOUT A THEME: ENERGY AND MATTER...Ch. 55 - Prob. 13TYU
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- What would be the advantage of exploiting resources with short term aims?arrow_forwardWhich organisms in the diagram have the largest total energy to give to other organisms? hawk shrew E.M. Collins 2001 marsh grass grasshopper Cattails and Marsh Grass O Hawks and Snakes O Crickets and Grasshoppers O Shrews and Frogs cricket snake frog cattailarrow_forwardHow might the carrying capacity for people in the united states change if we ate more plant products than animal products?arrow_forward
- According to optimal foraging theory.. organisms will have a tendency to select the smallest prey available if they are common, rather than exert more energy in capturing larger prey. predators will always maximize their rate of energy gain when they forage for more than 1 prey type. an organism can gain unlimited resources if it invests more energy into increasing its food intake. a predator will include prey with high handling times in their diet as long as their energy of rate intake increases.arrow_forwardHow would short term advantage differ from the advantages of using a long term perspective in managing our resources?arrow_forwardOptimal foraging theory can make predictions about an animal’s food choice. Which of the following is the most accurate statement about optimal diet breadth as resource quality, handling time and distribution changes? As handling time increases, animals should specialize As the distance between resources increases, animals should generalize As the energy content of the resources increases, animals should generalize As the distance between patches increases, animals should stay longer in a patch The following diagrams show four distribution patterns of resources. Each circle represents one unit of a resource, say, a food item. For which of these distributions would the Marginal Value Theorem be useful for making predictions about optimal foraging behavior. (Shown in image)arrow_forward
- is self-propelled, it forms the nucleus of the tractor. This seúrce of power will be discussed in greater detail in subsequent chapters. Questions 1. What are the major sources of power available on a farm? 2. What is the significance of human power? Can it be eliminated completely by the use of other farm power sources? 3. List the advantages and limitations of using animal power. What is the pulling capacity of: a) a donkey; b) an ox? 4. List the factors that influence the output available from an animal. Discuss each factor. 5. Which machines can be operated by: a) wind power; b) water power? 6. What are the advantages of solar power? Give examples of the use of solar power on the farm. 7. List the farm operations (stationary and mobile) for which electricity can be used. Illustrate with examples.arrow_forwardSelect all the answers that are correct.arrow_forwardA trade-off of heterotrophic carnivores in gaining energy is that food is: scarce but it's easy to capture and kill their very nutritious food. abundant but it's nutritious. scarce but it's nutritious. abundant but it's difficult to capture and kill their very nutritious food.arrow_forward
- What is carrying capacity? Is there one for humans?arrow_forwardYou are studying the diet of American bison. You gather the data in the graph below on the effort bison invest (gray bars, left hand Y-axis) in obtaining different types of grass (X-axis) and the energy content in calories of the grasses (white bars, right hand Y-axis). According to these data, which type of grass would optimal foraging theory predict bison choose? Handling time (seconds) Grama Broma 30 Fescue 20 10 Bluestem Fescue Switchgrass Bluestem Grama Switchgrass Broma 9 6 3 0 (Calories) Energy contentarrow_forwardBased on the food web shown the lion, the vulture, and a snake are all consumers . Identify the type of consumer they represent .Explain what this meansarrow_forward
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