McGraw-Hill OnlineMcGraw-Hill Higher EducationLearning Center
Student Center | Instructor Center | Information Center | Home
Professional Organizations
BioCourse
Global Issues Map
Career Opportunities
How to Write a Term Paper
Regional Perspectives
ALEKS
Animation Quizzes
Chapter Objectives
Chapter 17 Outline
Multiple Choice Quiz
Flashcards
Internet Exercises
Feedback
Help Center


Ecology, Concepts and Applications, 2/e
Manuel C. Molles, University of New Mexico - Albuquerque

Food Webs

Chapter Objectives


A food web summarizes the feeding relations in a community.

The feeding activities of a few keystone species may control the structure of communities.

Exotic predators can collapse and simplify the structure of food webs.