BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 56, Problem 3S
Summary Introduction

To explain:

The reason behind the worry of the ecologist regarding the potential effects of the loss of the species on an ecosystem for other reasons.

Introduction:

The ecosystem consists of various species which interact with each other in the food web. The effects in one of the species in one trophic level affect the species in the other trophic levels. This process is known as the cascade effect.

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If you had to monitor an ecosystem for evidence of pollution, what are one or two indicator species you would want to pay particularly close attention to? You may discuss specific species of organisms, or can discuss organisms that occupy a specific trophic level in an ecosystem’s food web. Explain why you would select these species or this trophic level.
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