General Biology · free preview

Chapter 46: Ecosystems

In 1993, an interesting example of ecosystem dynamics occurred when a rare lung disease struck inhabitants of the southwestern United States.

1. Chapter 46: Ecosystems

Chapter 46: Ecosystems

2. Key terms check

Which key term matches this definition?

corrosive rain caused by rainwater falling to the ground through sulfur dioxide gas, turning it into weak sulfuric acid; can damage structures and ecosystems

3. Key terms check

Which key term matches this definition?

ecosystem model that is created with mathematical formulas to predict the effects of environmental disturbances on ecosystem structure and dynamics

4. Key terms check

Which key term matches this definition?

organism at the top of the food chain

5. Key terms check

Which key term matches this definition?

biomass consumed and assimilated from the previous trophic level after accounting for the energy lost due to incomplete ingestion of food, energy used for respiration, and energy lost as waste

Practice this interactively

Free account · instant grading · spaced review that schedules itself.

Start this course for free