Chapter 3: Ecosystems and the Biosphere
Learning Outcomes
After studying this chapter, you should be able to:
- Describe the basic types of ecosystems on Earth
- Differentiate between food chains and food webs and recognize the importance of each
- Describe how organisms acquire energy in a food web and in associated food chains
- Discuss the biogeochemical cycles of water, carbon, nitrogen, phosphorus, and sulfur
- Explain how human activities have impacted these cycles
Chapter Outline
- 3.1 Energy Flow through Ecosystems
- 3.2 Biogeochemical Cycles
- 3.3 Terrestrial Biomes
- 3.4 Aquatic Biomes
- 3.5 Chapter Resources
Attribution
Essentials of Environmental Science by Kamala Doršner is licensed under CC BY 4.0