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Environmental Science: A Study of Interrelationships, 8/e
Eldon Enger, Delta College
Bradley F. Smith, Western Washington University
Interactions: Environment and Organisms

Chapter Outline


Ecological Concepts

    Environment

    Limiting Factors

    Habitat and Niche

The Role of Natural Selection and Evolution

    Species Definition

Environmental Close-up: Habitat Conservation Plans: Tool or Token?

    Natural Selection

    Evolutionary Patterns

Kinds of Organism Interactions

    Predation

    Competition

    Symbiotic Relationships

    Some Relationships Are Difficult to Categorize

Environmental Close-up: Human Interaction--A Different Look

Community and Ecosystem Interactions

    Major Roles of Organisms in Ecosystems

    Keystone Species

    Energy Flow Through Ecosystems

    Food Chains and Food Webs

Environmental Close-Up: Contaminants in the Food Chain of Fish from the Great Lakes

    Nutrient Cycles in Ecosystems

    Human Impact on Nutrient Cycles

Issues & Analysis: Reintroducing Wolves to the Yellowstone Ecosystem








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