 |  Environmental Science: A Global Concern, 7/e William P. Cunningham,
University of Minnesota
Mary Ann Cunningham,
Vassar College
Barbara Woodworth Saigo,
St. Cloud State University
Biological Communities and Species Interaction
Chapter OverviewChapter 3 dealt with the interactions between organisms and important abiotic (nonliving) aspects of their environment. This chapter shifts the focus to how organisms interact with each other. The concept of natural selection is integrated into these discussions as well. Biologists consider natural selection one of the most important ideas in the history of biology. It acts as an important conceptual framework, serving to organize our thinking and helping us to understand and explain interactions among organisms.
In this chapter, you will learn that interactions among organisms, such as competition and predation, can greatly influence species characteristics. Natural selection is the means through which these influences are conveyed.
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2003 McGraw-Hill Higher Education