Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 55, Problem 5TYU
Which of the following has the greatest effect on the rate of chemical cycling in an ecosystem?
- (A) the rate of decomposition in the ecosystem
- (B) the production efficiency of the ecosystem's consumers
- (C) the trophic efficiency of the ecosystem
- (D) the location of the nutrient reservoirs in the ecosystem
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Students have asked these similar questions
The energy flow in the ecosystem is important to maintain an ecological balance. In this context, answer the following: (i) Explain why the flow of energy at different levels in an ecosystem is unidirectional and non-cyclic?
(ii) Why is the number of trophic levels in an ecosystem limited?
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.
The direction of the arrows in a trophic chain (as the one in the figure below) represents...
A
E
O B) direction of movement of matter
O Both B and C
O A, B, and C
O A) direction of consumption, from higher level consumer to lower level consumer
O C) direction of movement of energy
O Both A and C
Chapter 55 Solutions
Campbell Biology (10th 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 - 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 - Prob. 3CCCh. 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 - Prob. 2CCCh. 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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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
- List two ways in which you could apply these concepts : (a) “as energy flows through ecosystems in food chains and webs, the amount of chemical energy available to organisms at each succeeding feeding level decreases” and (b) “matter, in the form of nutrients, cycles within and among ecosystems and the biosphere, and human activities are altering these chemical cycles.” to making your lifestyle more environmentally sustainable.arrow_forward1.) Describe a food chain that has at least four different trophic levels. Label the tropic level (Producer, Primary consumer, Secondary Consumer, or Tertiary Consumer), whether the organism is a(n) autotroph or heterotroph, and provide an example of an organism at each tropic level. 2.)Name two biological processes involved in rapid carbon exchange: 3.)Name two geologic processes involved in long-term carbon exchange:arrow_forward“The pyramid of energy is always upright” states that A)The energy conversion efficiency of herbivores is better than carnivores. B)The energy conversion efficiency of carnivores is better than herbivores C)Producers have the lowest energy conversion efficiency D)Energy conversion efficiency is the same in all trophic levelsarrow_forward
- What would happen to an ecosystem if (a) all its decomposers and detritus feeders were eliminated, (b) all of its producers were eliminated, or (c) all of its insects were eliminated? Could an ecosystem exist with producers and decomposers but no consumers? Explain.arrow_forwardWhat would happen to an ecosystem if (a) all of its decomposers and detritus feeders were eliminated, (b) all of its producers were eliminated, and (c) all of its insects were eliminated? Could an ecosystem function with only producers and decomposers and no consumers? Explain.arrow_forwardA characteristic of the open-loop system is that it does not use feedback to determine if its output has achieved the desired goal of the input. This means that the system does not observe the output of the processes that it is controlling. Closed-loop systems employ feedback and a reference of correctness. Deviations from the norm are detected and corrections made in order to maintain a desired output. 3) The image shown above is the Carbon cycle. What kind of system is the Carbon cycle? A) open-loop system B) closed-loop system C) unregulated system D) unchecked feedback system not gradedarrow_forward
- The number of trophic levels an ecosystem can support is driven by… (select all that apply) A- The amount of energy available (primary productivity) B- The speed of nutrient cycling (decomposition) C- The population size of top predators in the ecosystem D- The efficiency of energy transfer across trophic levels E- The composition of the plant communityarrow_forwardWhich of these statements describes an accurate model for how carbon dioxide and oxygen levels change within the ocean over time? Choose two answers that apply. A) eutrophication of the ocean leads to an increase in dissolved oxygen. B) photosynthesis by the phytoplankton increase the oxygen concentration of the ocean. C) decomposition of dead organic matter decreases the oxygen concentration in the ocean. D) cellular respiration by primary consumers increases the oxygen concentration in the ocean E) anaerobic respiration at the ocean floor decreases the carbon dioxide levels in the oceanarrow_forwardOne of the lessons from a pyramid of production is that _____. A) eating grain-fed beef is an inefficient means of obtaining the energy trapped by photosynthesis B) the energy lost as heat or lost in cellular respiration is 10% of the available energy of each trophic level C) only one-half of the energy in one trophic level is passed on to the next level D) most of the energy from one trophic level is incorporated into the biomass of the next level E) production efficiency is highest for primary consumersarrow_forward
- Rank the following trophic examples lowest to highest in terms of likely trophic efficiencies. (In determining your answer consider the trophic efficiency between the top consumer and the most primary food source given in each example.) (A) A lake with large fish grazing on phytoplankton (B) A pasture with cattle grazing on grasses (C) Humans feeding on the fish grazing on phytoplankton in A (approximate FCR of the fish is 1 lb/lb) (D) Humans feeding on the cattle grazing on grasses in B (approximate FCR of the mammals is 7 lb/lb) OBarrow_forward"Write a scenario describing what would happen to an ecosystem or to the human system in the event that:(a) All producers are killed through loss of fertility of the soil or through toxic contamination, (b) decomposers and detritus feeders are eliminated. Support all of your statements with reasons drawn from your understanding of the way ecosystems function"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_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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Energy flow in ecosystem; Author: MooMooMath and Science;https://www.youtube.com/watch?v=5jBV9vJmXZI;License: Standard youtube license