Ecosystem - Nutrient Cycling (Carbon, Phosphorus), Ecological Succession

Grade 12 Biology — Ecosystem - Nutrient Cycling (Carbon, Phosphorus), Ecological Succession: 25 practice questions with instant scoring and explanations.

1. What is the carbon cycle?
2. What is the primary source of carbon in the carbon cycle?
3. How do plants contribute to the carbon cycle?
4. What is the role of decomposers in the carbon cycle?
5. What is the role of respiration in the carbon cycle?
6. What is the phosphorus cycle?
7. What is the key difference between the carbon and phosphorus cycles?
8. Where is most phosphorus stored in nature?
9. How do plants obtain phosphorus?
10. What is biogeochemical cycling?
11. What is ecological succession?
12. What is primary succession?
13. What is secondary succession?
14. What is a pioneer species?
15. How do pioneer species prepare the environment for other species?
16. What is a climax community?
17. What is eutrophication?
18. How do human activities affect nutrient cycling?
19. What is the rate-limiting nutrient in most ecosystems?
20. How are nitrogen and phosphorus related in limiting ecosystem productivity?
21. What is nitrogen fixation?
22. Which organisms perform nitrogen fixation?
23. What is denitrification?
24. How long does primary succession typically take to reach a climax community?
25. What role do decomposers play in recycling nutrients?