Ecology Quiz 27 (25 MCQs)

Quiz Instructions:

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1. What role do decomposers play in the carbon cycle?

2. Live organisms such as the crabs, gulls, and sea grass at the beach are part of the same

3. What limits the length of a food chain in an ecosystem?

4. A consumer captured and eaten by another consumer

5. Commensalism is a relationship where

6. Which of the following describes an organism?

7. Which of the following is an example of a limiting factor?

8. Which of the following pairs of plants produce spores?

9. An organism that feeds on other dead organisms is called a

10. Carbon cycles through the biosphere in all of the following EXCEPT

11. What does complex mean?

12. A measure of the number of individuals within a population per unit area is called _____

13. How nitrogen is "fixed" into useable form for plants

14. Remora fish get the scraps from a shark feeding. The sharks aren't bothered.

15. This biome is like the rainforest of the sea and has warm shallow waters that are filled with many types of sea creatures

16. Why should we care about biodiversity

17. A symbiotic relationship between 2 organisms when BOTH BENEFIT (both are happy)

18. The simplest grouping of more than one kind of organism in the biosphere is

19. Parasitism is _____

20. The tropics are warmer than the temperate regions because _____

21. The part of aquatic medium which has a gradually declining temperature range is called.

22. Name the species interaction:a mosquito feeds on human blood & transfers a disease.

23. Which type of population growth occurs under ideal conditions with unlimited resources?

24. Each step in a food chain or food web.

25. This is the part of the Earth that supports life