Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
11th Edition
ISBN: 9780133910605
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 29.2, Problem 4CYL
explain how the inefficiency of energy transfer between trophic levels determines the relative abundance of organisms in different trophic levels?
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The average efficiency of energy transfer between trophic levels is 10%. Use this efficiency to determine how much phytoplankton mass is required to add just 1 gram (0.04 ounce) of new mass to a killer whale, which is a third-level or top carnivore. Create a diagram that summarizes the different trophic levels and the relative size and abundance of organisms at each level. How would your answer change if the efficiency were half the average rate? Twice the average rate?
What are trophic level? Explain by drawing a diagram of trophic levels in ecosystem?
Explain how the efficiency of energy transfers between trophic levels affects ecosystem structure and dynamics
Chapter 29 Solutions
Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
Ch. 29.1 - explain why nutrients cycle within and between...Ch. 29.2 - Prob. 1CSCCh. 29.2 - Prob. 1CYLCh. 29.2 - Prob. 1TCCh. 29.2 - describe how energy flows through an ecosystem?Ch. 29.2 - Prob. 3CYLCh. 29.2 - explain how the inefficiency of energy transfer...Ch. 29.3 - explain why nutrients cycle within and among...Ch. 29.3 - Prob. 1ETCh. 29.3 - Prob. 1TC
Ch. 29.3 - describe the hydrologic, nitrogen, carbon, and...Ch. 29.4 - Prob. 1CSRCh. 29.4 - Prob. 1CTCh. 29.4 - Prob. 1CYLCh. 29.4 - Prob. 1HYEWCh. 29.4 - Prob. 1TCCh. 29.4 - Prob. 2CYLCh. 29.4 - People tend to be much more attuned to whats...Ch. 29.4 - Prob. 3CYLCh. 29 - Prob. 1ACCh. 29 - Prob. 1FIBCh. 29 - Prob. 1MCCh. 29 - Prob. 1RQCh. 29 - Discuss the contribution of human population...Ch. 29 - Prob. 2FIBCh. 29 - Which of the following is not a major reservoir in...Ch. 29 - Prob. 2RQCh. 29 - Feeding levels within ecosystems are also called...Ch. 29 - Prob. 3MCCh. 29 - Define net primary production. Would you predict...Ch. 29 - Prob. 4FIBCh. 29 - Net primary production per unit area is likely to...Ch. 29 - Prob. 4RQCh. 29 - Prob. 5FIBCh. 29 - Prob. 5MCCh. 29 - How do food chains and food webs differ? Which is...Ch. 29 - Prob. 6FIBCh. 29 - Prob. 6RQCh. 29 - Prob. 7FIBCh. 29 - Trace the movement of carbon from one of its...Ch. 29 - Prob. 8RQCh. 29 - Prob. 9RQ
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- 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?arrow_forwardhttps://www.biointeractive.org/classroom-resources/exploring-trophic-cascades create a case study based on additional research into other examples of trophic cascades. describe and illustrate how changes in an organismal population can have unintended effects on trophic levels or ecosystems. Identify the organisms and nutrients (if applicable) that are present in your trophic pyramid. Describe the normal flow of your trophic cascade along with whether removal or introduction of the organism has a positive or negative effect on other organisms or nutrient levels within an ecosystem.arrow_forwardAvailability of energy is less for entities at higher trophic levels. Why?arrow_forward
- Availability of energy is less for entities at higher trophic levels.Why?arrow_forwardHow would you describe the trophic levels in a typical ecosystem? Discuss the flow of energy through the ecosystem, the relationship between the different trophic levels, and the factors that limit the number of trophic levels.arrow_forwardThe mass of living material at a trophic level at a particular time is called as what?arrow_forward
- Why is the number of trophic levels in an ecosystem limited?arrow_forwardDescribe the trophic levels in a typical ecosystem. Discuss the flow of energy through the ecosystem, the relationship between the different trophic levels, and the factors that limit the number of trophic levelsarrow_forwardCan the amount of available energy on a given trophic level be larger than the available energy on lower trophic levels? What does that condition mean for the shape of energy pyramids?arrow_forward
- Create a model which accurately, in detail, depicts the potential pathways of carbon (biomass) and energy in an ecosystem with at least five trophic levels (don’t forget your decomposers, they can count as one trophic level). Make sure to incorporate the multiple pathways that biomass and energy could take at each trophic level. Lastly, clearly illustrate how carbon and energy flow in this ecosystem. Be sure to include adequate levels of detail for all pathways and differentiate the flow of carbon and energy in your model.arrow_forwardHow much energy is passed from one trophic level to the next? Explain why.arrow_forwardWhat is a food web? How does the amount of primary productivity influence the number of trophic levels in a food web as well as the number of species at the top? Explain the difference between top down and bottom up control in food webs.arrow_forward
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Energy flow in ecosystem; Author: MooMooMath and Science;https://www.youtube.com/watch?v=5jBV9vJmXZI;License: Standard youtube license