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In coastal upwelling zones, the ecological efficiency is somewhat higher than the average value for the ocean. Assume an ecological efficiency of 15% in a coastal upwelling zone. If the available phytoplankton energy is 200,000 units, the maximum possible energy at the seventh trophic level is about ______ units. a) 2.3 b) 20 c) 101

In coastal upwelling zones, the ecological efficiency is somewhat higher than the average value for the ocean. Assume an ecological efficiency of 15% in a coastal upwelling zone. If the available phytoplankton energy is 200,000 units, the maximum possible energy at the seventh trophic level is about ______ units. a) 2.3 b) 20 c) 101

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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In coastal upwelling zones, the ecological efficiency is somewhat higher than the average value for the ocean. Assume an ecological efficiency of 15% in a coastal upwelling zone. If the available phytoplankton energy is 200,000 units, the maximum possible energy at the seventh trophic level is about ______ units.

a) 2.3

b) 20

c) 101

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