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Transcript
Worksheet 5 Chapter 50 Introduction to Ecology and the Biosphere The Scope of Ecology 1. Distinguish between abiotic and biotic components of the environment. Distribution of Species 2. Define biogeography. 3. Describe, with examples, how biotic and abiotic factors may affect the distribution of organisms. 4. List the four abiotic factors that are the most important components of climate. 5. Distinguish between macroclimate and microclimate patterns. Provide an example of a microclimate. Chapter 53 Community Ecology Interspecific Interactions and Community Structure 6. List the categories of interspecific interactions and explain how each interaction may affect the population densities of the two species involved. 7. State the competitive exclusion principle. Define an ecological niche and restate the competitive exclusion principle using the niche concept. 8. Explain how interspecific competition may lead to resource partitioning. 9. Define and compare predation, herbivory, and parasitism. 10. Give specific examples of adaptations of predators and prey. 11. Explain how cryptic coloration and warning coloration may aid an animal in avoiding predators. 12. Distinguish among parasitism, mutualism, and commensalism. 13. Explain the relationship between species richness and relative abundance and explain how both contribute to species diversity. . 14. Distinguish between a food chain and a food web. 15. Explain how dominant and keystone species exert strong control on community structure. Describe an example of each.