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Nutrient Cycles in an Ecosystem Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. How much 'new' water is made through the processes of the water cycle?

Question 2 2. What are the three main parts of the water cycle?

Question 3 3. Cloud formation is an example of condensation because _____.

Question 4 4. Steam is an example of which part of the water cycle?

Question 5 5. Select the item that should NOT be placed in a compost container.

Page 2

Question 6 6. Why are perennial weeds not recommended to add during composting?

Question 7 7. Which type of compost system utilizes the technique of windrows?

Question 8 8. Identify the appropriate definition of composting.

Question 9 9. Carbon can be suspended for hundreds or even millions of years in which of the following?

Question 10 10. Living organisms return carbon back to the atmosphere in the form of CO2 through which process?

Page 3

Question 11 11. Carbon is taken from the air to make food by the process of:

Question 12 12. Carbon is found:

Question 13 13. Which of the following is a possible output from a rainforest ecosystem?

Question 14 14. Which of the following is an example of a matter or energy output from a human being?

Question 15 15. What is an ecosystem?

Page 4

Question 16 16. What is the difference between matter and energy?

Question 17 17. Which of the following is TRUE of Biomass Energy?

Question 18 18. What is the term used for crops that are grown for the specific purpose of being used as biomass energy?

Question 19 19. Which of the following is an advantage of biomass energy?

Question 20 20. Biomass can be burned simultaneously with coal. What is this process called?

Page 5

Question 21 21. Detrivores are heterotrophs, which are best defined as which one of the following?

Question 22 22. Dung beetles are found on all continents EXCEPT which one of the following?

Question 23 23. Which of the following animals are NOT decomposers?

Question 24 24. Which of the following statements is true?

Question 25 25. Identify the food that is created through the use of decomposers.

Page 6

Question 26 26.

A known amount of waste is allowed to decompose in four different regions of the earth.

Choose the country where the rate of decomposition will be fastest.

Question 27 27. In the environment, how is the role of a decomposer different from that of a scavenger?

Question 28 28. Identify the decomposer.

Question 29 29. Transpiration is the process that occurs when _____.

Question 30 30. What percentage of all municipal solid waste in the United States is yard and food waste?

Nutrient Cycles in an Ecosystem Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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