Ecosystems and Material Cycles
Unit 9 overview: Ecosystems and Material Cycles
5 min read 2 parts Lesson 1 of 15 Unit quiz
Section 1 of 2Unit cover
Section 2 of 2Lessons in this unit
| Topic | Lessons |
|---|---|
| 9.1 The Organism in the Environment | 9.1.1 Key Terms in Ecology 9.1.2 Abiotic and Biotic Factors 9.1.3 Interdependence 9.1.4 Parasitism and Mutualism 9.1.5 Biodiversity 9.1.6 Sampling Organisms |
| 9.2 Feeding Relationships | 9.2.1 Trophic Levels and Food Chains 9.2.2 Food Webs 9.2.3 Food Pyramids |
| 9.3 Cycles within Ecosystems | 9.3.1 The Water Cycle 9.3.2 The Carbon Cycle 9.3.3 The Nitrogen Cycle |
| 9.4 Human Influences on the Environment | 9.4.1 Human Impact on Biodiversity 9.4.2 Benefits of Maintaining Biodiversity |