Campbell Biology in Focus (2nd Edition)
Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 41.2, Problem 3CC

WHAT IF? Consider a grassland with five trophic levels: grasses, mice, snakes, raccoons, and bobcats. If you released additional bobcats into the grassland, how would grass biomass change if the bottom-up model applied? If the top-down model applied? Explain.

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Q1: What percentage of the original 10,000 Kilocalories is available to a shark that might eat the tuna in this figure? Q2: What trophic level and term would describe a predator of tuna? Q3: Give an example of a primary consumer in a terrestrial environment.
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