Chapter_50_SG_revised(2009030423414346) - CHAPTER 50 An...

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Unformatted text preview: CHAPTER 50 An Introduction to Ecology and the Biosphere KEY TERMS ∗ ∗ ∗ ∗ ∗ ∗ ∗ Ecology Abiotic factors Biotic factors Population Community Ecosystem Biosphere ∗ ∗ ∗ ∗ ∗ ∗ ∗ Biome Habitat Niche Freshwater biomes Ocean biomes Tropical rain forest Desert ∗ ∗ ∗ ∗ Grasslands Temperate deciduous forest Taiga Tundra QUESTIONS Explain why the composition of the biotic factors and abiotic factors in an ecosystem affect the survival of the organisms that live in that ecosystem. 2. Identify and describe the abiotic and biotic components of each of the zones that make up a freshwater lake. 3. Draw a diagram of zonation in a lake. 4. Identify and describe each of the zones that make up the ocean. 5. Draw a diagram of zonation in the ocean. 6. Describe the characteristics of the major terrestrial biomes: tropical forest, savanna, desert, chaparral, temperate grassland, temperate forest, taiga, tundra. 7. Which biome has the highest biodiversity? Which biomes are adapted to withstand repeated fires? Which biome do you think we live in, in Orange County? 8. Is a niche a place? Explain and defend your answer. 9. What is the principle of allocation? Give an example that illustrates your answer. 10. Organisms respond to changes in their environment in different ways. Describe the following types of responses: physiological, morphological, and behavioral responses. Give an example for each of these responses. 1. ...
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This note was uploaded on 09/29/2011 for the course BIO 020.152 taught by Professor Pearlman during the Fall '08 term at Johns Hopkins.

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