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Chapter 20

Chapter 20. Community Ecology. Section 1: Species Interactions. Predator/Prey and Natural Selection Camouflage Mimicry - Batesian v. Mullerian Plant-herbivore interactions Competition Competitive exclusion Character displacement Resource partitioning. Section 1 Species Interactions.

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Chapter 20

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  1. Chapter 20 • Community Ecology

  2. Section 1: Species Interactions • Predator/Prey and Natural Selection • Camouflage • Mimicry - Batesian v. Mullerian • Plant-herbivore interactions • Competition • Competitive exclusion • Character displacement • Resource partitioning

  3. Section 1 Species Interactions Chapter 20 Effect of Competition on Two Species of Barnacles

  4. Section 1 Species Interactions Chapter 20 Warbler Foraging Zones

  5. Symbiosis • Parasitism • Parasite/host • Ectoparasites/Endoparasites • Mutualism • Commensalism

  6. Section 2: Patterns In Communities • Species richness and Species diversity (evenness) • Patterns in species richness • Richness varies with latitude • Closer to equator  higher richness • Species-area effect • Species Interactions • Community stability

  7. Section 3: Succession • Primary succession • Secondary succession • Pioneer species • Climax community

  8. Section 2 Patterns in Communities Chapter 20 Ecological Succession at Glacier Bay

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