In the lake, the biomass of plankton decreased from 65,000 to 50,000 kg. As a result, the biomass of the lake minnows (trophic efficiency is 9%), for which plankton is food, also decreased. How many individuals will the lake pike population decrease by (the average mass is 3.5 kg, trophic efficiency is 12%)?

Answered: In the lake, the biomass of plankton…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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In the lake, the biomass of plankton decreased from 65,000 to 50,000 kg. As a result, the biomass of the lake minnows (trophic efficiency is 9%), for which plankton is food, also decreased. How many individuals will the lake pike population decrease by (the average mass is 3.5 kg, trophic efficiency is 12%)?

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In the food chain, one organism eats another. The first trophic level is of producers which include plants/plankton, next is of consumers. As the trophic level increases, due to predation, the biomass is transferred from one level to another. Thus, the efficiency of this conversion is the trophic efficiency

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