ScienceFusion Ecology & the Environment Unit 2.3: Energy & Matter in Ecosystems 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. Primary consumers have special bacteria in their intestines to help them break down what?

Question 2 2. Which of the following quantifies the energy transferring from one organism to another?

Question 3 3. Which of the following is an example of mechanical energy?

Question 4 4. What is a producer?

Question 5 5. In what ways can nitrogen gas be broken down into nutrients for plants?

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Question 6 6. What is the difference between a balanced equation and an unbalanced equation?

Question 7 7. Which of the following is the best definition for energy?

Question 8 8. What are the largest reservoirs for carbon on Earth?

Question 9 9. Which of the following types of energy does the sun use to heat up our atmosphere?

Question 10 10. Steam is an example of which part of the water cycle?

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Question 11 11. Which of these energy levels is directly above the producers?

Question 12 12. Most food webs will never have more then what level of consumer?

Question 13 13. Photosynthesis is a process in plants that uses _____and produces energy and oxygen.

Question 14 14. Where are the shells of diatoms commonly used?

Question 15 15. Which of the following statements best defines the law of conservation of mass?

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Question 16 16. Where does much of solar energy go as it is passed along the energy pyramid?

Question 17 17. Does the Law of Energy Conservation apply to machines?

Question 18 18. What is the purpose of a plant stem?

Question 19 19. Consider a wood burning fireplace as a system in which the wood is completely burned into ash and soot. The mass of the wood before burning would be equal to which of the following?

Question 20 20. How much 'new' water is made through the processes of the water cycle?

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Question 21 21. Which of the following trophic levels contains the lowest amount of original solar energy?

Question 22 22. Transpiration is the process that occurs when _____.

Question 23 23. Based on the Law of Energy Conservation, which of the following would best maintain a machine's ability to do work without input of additional energy?

Question 24 24. What is a secondary consumer?

Question 25 25. Which of the following is NOT an example of a compound?

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Question 26 26. Which of the following is not true concerning the Big Bang Theory?

Question 27 27. What are the three main parts of the water cycle?

Question 28 28. Which of the following is a common unit that is used to measure energy?

Question 29 29. Pure substances are further divided into elements and compounds. Which one best describes the rust found on a vehicle over time?

Question 30 30. Does the chemical equation shown here obey the law of conservation of mass?

ScienceFusion Ecology & the Environment Unit 2.3: Energy & Matter in Ecosystems 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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