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 55.2, Problem 2CC
How can ecologists experimentally determine the factor that limits primary production in an ecosystem?
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Which of the following statements BEST describes energy transfer in an ecosystem?
A.
If the primary producer has 175,000 kcal available, the secondary consumer will receive 17,500 kcal from the primary consumer.
B.
If the primary consumer has 175,000 kcal available, the secondary consumer will receive 17,500 kcal from the primary consumer.
C.
If the primary consumer has 175,000 kcal available, the tertiary consumer will receive 175 kcal from the secondary consumer.
D.
If the primary producer has 175,000 kcal available, the tertiary consumer will receive 17,500 kcal from the secondary consumer.
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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- A) Summarize what the data show concerning the change in productivity and mortality of the Amazon rainforest from 1980 to 2015. B) What consequences does this have on the global carbon cycle and climate change?arrow_forward1) A scientist finds that the gross primary productivity of the grasslands of the central United States is 55 g / m2 / year. If the respiration loss is 33 g / m2 / year, what is the net primary productivity? a) subtraction from gross productivity and respiration.b) The same as primary productivity.c) The value of respiration.d) The sum of gross primary productivity and respiration.arrow_forwardoutline the types of evidence used to demonstrate nutrient limitation of primary production in aquatic ecosystem?arrow_forward
- Primary productivity varies from ecosystem to ecosystem.Explain?arrow_forwardThe Venus flytrap is a photosynthetic plant that can trap and eat small insects. The Venus flytrap is a:A) tertiary consumer. B) producer.C) both a producer and secondary consumer. D) both a producer and tertiary consumer.E) secondary consumer. Then expain why the choice is correct and why the others are incorrectarrow_forwardWhy does primary productivity vary in different ecosystems?arrow_forward
- Why is an understanding of biogeochemical cycles essential in environmental science?arrow_forwarda) Each trophic level, on average, will move 10% of the energy tied up in molecules to the next trophic level. How much of the energy from the sun is actually brought in to the first trophic level? b) When the producers convert energy and tie it up in the first trophic level, it is brought in as heat. True or false? c) Which of the following are true about ecosystems? Check all that apply. They contain both living and nonliving components.They contain both living and nonliving components. There is a transfer of energy through the system and some energy is lost as heat energy.There is a transfer of energy through the system and some energy is lost as heat energy. Nutrients repeatedly cycle through the ecosystem.Nutrients repeatedly cycle through the ecosystem. They represent the lowest level of biological organization.They represent the lowest level of biological organization. The ultimate source of energy for most ecosystems is organic molecules.arrow_forwardWhich of the terms describes energy made by producers? O B and C O C) Secondary production O A) Net primary productivity O B) Gross primary productivity O A and B O A only O B onlyarrow_forward
- Our review of biogeochemical cycles underscores the importance of primaryproduction to ecosystems and biomes, but what controls rates of primary production?arrow_forwardChoose a biological resource and address the following four questions using examples with that biological resource. a) Biomass production over time b) Carrying capacity and extinction threshold c) Management of the recruitment rate d) Describe two ways that climate change could impact the biological resource you selected for this question RESOURCE ECONOMICSarrow_forwardDo you think we should attempt to quantify and assign market values to ecosystem services? Why or why not? What consequences might this have?arrow_forward
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