Ecology Quiz 26 (25 MCQs)

Quiz Instructions:

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1. A word that means the same thing as consumer is

2. Which of the following are causes for extinction?

3. Decomposers are necessary in an ecosystem because they-

4. Which answer best describes the transfer of energy as it moves up the energy pyramid?

5. WHO first had the idea of evolution by natural selection?

6. Acid rain is a result of

7. What shows a series of events in which one organism eats another and gets energy?

8. Which type of organism eats mainly animals?

9. Diseases may spread more rapidly when an area is crowded, so disease is considered to be a

10. Loss of water from the leaves of plants occurs mostly via a process known as _____

11. Which will add more organisms to a population?

12. What type of species interaction is the following:a killer whale kills and eats a seal.

13. The area of Earth that supports living things is this:

14. Animals that take only dead flesh as their food are called.

15. Another word for a producer is

16. This species is the first to colonize a barren habitat

17. Something in the environment that keeps a population from steadily increasing is known as

18. What kind of bond will form between chlorine and fluorine?

19. What does the first trophic level consist of?

20. _____ is a large area with similar biotic and abiotic factors.

21. Which of the following is a biotic (living) factor that would impact beaver populations?

22. What does the arrow represent in a food web?

23. What is a symbiotic relationship in which both organisms benefit?

24. What is one abiotic thing that could limit the population size of the primary consumer?

25. What converts nitrogen gas into a useable form for plants and animals?