TASC Science: Cycles of Matter & Energy Transfer 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!

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Question 1 1. How is it possible to conclude that eutrophication of bodies of water has occured?

Question 2 2. Which of the following processes takes carbon out of the short-term carbon cycle?

Question 3 3. Which of the following is the best explanation for why we study the carbon cycle on a global scale and not as much in specific local ecosystems?

Question 4 4. Which of the following is NOT a source of nitrogen that is available to plants?

Question 5 5. Which of the following is not a component of the phosphorus cycle?

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Question 6 6. Put the following elements in order of abundance by weight in living organisms, starting with the most abundant, and ending with the least abundant: iron, copper, phosphorus, oxygen, and hydrogen.

Question 7 7. Identify the conversion which represents nitrification.

Question 8 8. When burned, which fossil fuel will release the greatest amount of pollution into the air?

Question 9 9. Within the biogeochemical cycle, where do consumers get most of their elements from, not including oxygen and hydrogen?

Question 10 10. What is the primary source of carbon that can be used by plants?

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Question 11 11. Which of the following is not a way in which carbon can exit living plant material in the carbon cycle?

Question 12 12. What is the largest pool of carbon on the planet?

Question 13 13. How many trophic levels does an omnivore feed on within an ecosystem?

Question 14 14. In a typical ecosystem, what percentage of the energy produced by the autotrophs then consumed by the primary consumers will be passed along to the secondary consumers?

Question 15 15. Which of the following organisms is a primary consumer of a prickly pear cactus?

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Question 16 16. Identify the statement that is NOT true about acid rain.

Question 17 17. What can an herbivore be categorized as?

TASC Science: Cycles of Matter & Energy Transfer 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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