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Exploring Ecology: Biosphere Components and Relationships

This chapter introduces the biosphere, levels of ecological organization, biotic vs. abiotic factors, food chains, including their representation of ecosystem relationships, and the differences between food chains and food webs. It also covers trophic levels and ecological pyramids, explaining the flow of energy and biomass between them.

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Exploring Ecology: Biosphere Components and Relationships

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  1. Chapter 3 Introduction to Ecology

  2. Biosphere • What is included? (Draw a circle below and all components inside)

  3. Levels of Ecological Organization • Draw a representation of each level: Biome ecosystem community population Species

  4. Biotic vs Abiotic • Create a t-chart listing biotic and abiotic factors in our schoolyard

  5. Food chains • Do they represent true ecosystem relationships? • Which way do the arrows point? • Draw an example:

  6. Food webs • How do food webs differ from food chains?

  7. Trophic levels and ecological pyramids • What happens to the amount of available energy and biomass as it passes from one trophic level to the next?

  8. Analyzing Data- page 77 1) 2) 3)

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