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Ecosystems and the Effects of Pollution 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. Why can cheetahs and lions coexist together on the plains of the Masai Mara National Reserve?

Question 2 2. Which has resulted in an increase in the prevalence of invasive species?

Question 3 3. Choose the four major environmental problems that are occurring on the global scale.

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

Question 5 5. A hurricane hit an island where the only trees were palm trees. What might a biologist say about the ecosystem after the hurricane?

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Question 6 6. Identify the statement that describes global ecology.

Question 7 7. Identify the food that is created through the use of decomposers.

Question 8 8. What can an herbivore be categorized as?

Question 9 9. How many trophic levels does an omnivore feed on within an ecosystem?

Question 10 10. Which of the following actions is NOT an example of habitat destruction?

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Question 11 11. How is it possible to conclude that eutrophication of bodies of water has occured?

Question 12 12. Identify the conversion which represents nitrification.

Question 13 13. Which of the following organisms is a primary consumer of a prickly pear cactus?

Question 14 14. Identify the decomposer.

Question 15 15. Our understanding of decomposers has allowed scientists to create _____.

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Question 16 16. When burned, which fossil fuel will release the greatest amount of pollution into the air?

Question 17 17. What is the difference between species diversity and genetic diversity?

Question 18 18. What is a habitat?

Question 19 19. Which of the following is a density-independent factor that regulates population growth?

Question 20 20. What is a niche?

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Question 21 21. Dr. Smith is studying algae. Would she consider ponds in her research on ecological diversity? Why or why not?

Question 22 22. Identify the statement that is NOT true about acid rain.

Question 23 23. In the environment, how is the role of a decomposer different from that of a scavenger?

Question 24 24. What might be the reaction of a botanist who discovered a new plant in the Saharan desert? Why would they react that way?

Question 25 25.

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.

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Question 26 26. Which of the following is not an abiotic factor?

Question 27 27. What are the three major greenhouse gases in the Earth's atmosphere?

Question 28 28. Which of the following scenarios is MOST likely to occur if atmospheric carbon dioxide levels continue to rise?

Question 29 29. In a typical ecosystem, what percentage of the energy consumed by primary consumers will eventually be consumed by tertiary consumers?

Question 30 30. What constitutes a food web?

Ecosystems and the Effects of Pollution Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!

Environmental Science 101: Environment and Humanity  /  Science Courses
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