Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 54, Problem 54.5CR
Summary Introduction

To review: The effect of a pathogen in altering the structure of a community.

Concept introduction: Pathogens are microorganisms that cause harm (disease) to other organisms. They comprise bacteria, virus, prions and others. Pathogens play a crucial role in deciding the structure of ecological communities.

Given data:

  • Pathogen.
  • Keystone species.

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Suppose a pathogen attacks a keystone species. Explain how this couldalter the structure of a community.
Give an example of an invasive species and explain how it is impacting the ecosystem it has been introduced to.
Analyze the removal of a keystone species can disrupt ecosystem functioning with an example.

Chapter 54 Solutions

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