Introduction to 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. Which of the following is true about all environments?

Question 2 2. What is the primary source of carbon that can be used by plants?

Question 3 3. What are the three major greenhouse gases in the Earth's atmosphere?

Question 4 4. Which of the following organisms is a primary consumer of a prickly pear cactus?

Question 5 5. Which of the following is a density-independent factor that regulates population growth?

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Question 6 6. We are only aware of 10,000 species of birds. Given that fact, where would an ornithologist most likely concentrate their research to discover new bird species?

Question 7 7. What is a niche?

Question 8 8. Dr. Smith is studying algae. Would she consider ponds in her research on ecological diversity? Why or why not?

Question 9 9. Which of the following is not a way in which carbon can exit living plant material in the carbon cycle?

Question 10 10. Which of the following is FALSE about atmospheric carbon dioxide levels?

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Question 11 11. The lowest, most basic level at which ecology is studied is:

Question 12 12. Which of the following does NOT contribute to increase in carbon dioxide level in the atmosphere?

Question 13 13. Which of the following actions is NOT an example of habitat destruction?

Question 14 14. Identify the statement that describes global ecology.

Question 15 15. What is commensalism?

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Question 16 16. Which statement accurately portrays Monarch and Viceroy butterflies?

Question 17 17. Which of the following is not an abiotic factor?

Question 18 18. An ecosystem is composed of what?

Question 19 19. 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 20 20. Which of the following processes takes carbon out of the short-term carbon cycle?

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Question 21 21. A hurricane hit an island where the only trees were palm trees. What might a biologist say about the ecosystem after the hurricane?

Question 22 22. Choose the four major environmental problems that are occurring on the global scale.

Question 23 23. What might be the reaction of a botanist who discovered a new plant in the Saharan desert? Why would they react that way?

Question 24 24. What is coevolution?

Question 25 25. 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?

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Question 26 26. How many trophic levels does an omnivore feed on within an ecosystem?

Question 27 27. Which has resulted in an increase in the prevalence of invasive species?

Question 28 28. What is a population?

Question 29 29. Which of the following scenarios is MOST likely to occur if atmospheric carbon dioxide levels continue to rise?

Question 30 30. _____ ecology deals with the study of the interactions between organisms from multiple communities within a larger region.

Introduction to 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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