Ecology Quiz 32 (25 MCQs)

Quiz Instructions:

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1. Organisms need nutrients in order to

2. He was one of the most eminent ecologists of the 20th century and was key to the discipline's professionalization.

3. Herbivores are at what trophic level within an ecosystem?

4. What do decomposers do?

5. A soil sample with a large amount of space between the particles will have a

6. Most plant can grow best in soils with pH of between _____

7. The actual role an organism is able to occupy in the presence of competitors is called _____

8. A single living thing is known as an

9. Portion of the shoreline that lies between the high and low tide lines

10. An animal that feeds on dead animals or dead plant materials is called a(n) _____

11. The organism that gets eaten is called

12. Which has become the most significant source of environmental change on Earth?

13. From the list that follows choose the adaptation characteristic of K-selected populations.

14. When the energy flow through an ecosystem is measured at each trophic level, _____ of the available energy passes from one level to the next

15. Which event is the best example of competition between species in a pond?

16. All the interconnected feeding relationships in an ecosystem make up a food

17. The process by which water is released into the atmosphere by plants is called

18. The set of ecosystem is called

19. Cation Exchange Capacity refers to a soils ability to

20. A population must be of the same _____?

21. A major type of ecosystem. Ex:rainforest, desert, tundra, deciduous forest, taiga, marine, etc.

22. The part of the earth that living organisms inhabit is the

23. Which BEST determines the number of wolves that can live in an area?

24. What is the genre of the text?

25. Biotic factors in an ecosystem are.