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An Exploration of Species Interactions and Community Dynamics in Ecology

Discover the intricate web of relationships between species within ecosystems. Explore natural selection, mimicry, predator-prey interactions, and resource partitioning. Understand the effects of competition on barnacles and warbler foraging zones. Delve into symbiosis forms such as parasitism, mutualism, and commensalism. Uncover the patterns in species diversity and richness, including the species-area effect and latitudinal influences. Learn about ecological succession, from pioneer species to climax communities, shaping the stability of ecosystems.

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An Exploration of Species Interactions and Community Dynamics in Ecology

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Presentation Transcript

  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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