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Trophic Levels & Biomass Energy 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. Where does the energy in plant biomass originate?

Question 2 2. What is respiration?

Question 3 3. What percent of energy is passed along between each trophic level?

Question 4 4. Where does lost energy go from lower trophic levels preventing it from being used by successive tropic levels?

Question 5 5. Which animals only eat plant material?

Page 2

Question 6 6. Which of the following describes a food chain?

Question 7 7. Which of the following is an example of a primary producer?

Question 8 8.

In the following food chain, which organism is the secondary consumer?

Sun > Grass > Grasshopper > Rat > Snake > Hawk

Question 9 9. The ______ harnesses energy from a source such as the sun.

Question 10 10. What do the arrows in a food chain represent?

Page 3

Question 11 11. An ocean system will have which one of the following?

Question 12 12. Which one of the following is NOT a type of biomass studied by ecologists?

Question 13 13. Heterotrophic biomass refers to which one of the following?

Question 14 14. Biomass is the total amount of what?

Question 15 15. A trophic level indicates which one of the following?

Page 4

Question 16 16. Which of the following trophic levels contains the lowest amount of original solar energy?

Question 17 17. Where does much of solar energy go as it is passed along the energy pyramid?

Question 18 18. Approximately how much original solar energy remains at the top of the energy pyramid?

Question 19 19. Which of the following quantifies the energy transferring from one organism to another?

Question 20 20. How much energy is transferred from a plant to an herbivore that eats it?

Trophic Levels & Biomass Energy 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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