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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

How can the presence of predators influence an ecosystem’s productivity?

Summary Introduction

To review:

The influence of presence of predators on an ecosystem’s productivity.

Introduction:

An ecosystem is a community or group of organisms having interactions with each other and with the surrounding environment, making them dependent on each other. In an ecosystem, food energy flows in form of a food chain and there is always some loss of energy when passed onto the next trophic level in a food chain.

Explanation

The flow of energy occurs in a food chain through the 10% law, which says that at each trophic level, only 10% of the previous energy is passed on to the next trophic level. In each food chain plants are the producers and the first consumers are herbivores. Herbivores are in turn consumed by their predators and so on and so forth, transferring the energy from producers to the topmost level.

Predators are an important part of the ecosystem...

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