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Michigan Merit Exam: Ecosystems & Populations 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. Which type of succession would occur in an area where lava covered an entire forest?

Question 2 2. The variability of life forms within a given ecosystem is known as _____.

Question 3 3. Why are forests described as carbon sinks?

Question 4 4. According to the r/K selection theory, an r-selected species has which of the following characteristics?

Question 5 5. Which of these large organisms has a type I survivorship curve?

Page 2

Question 6 6. Which of the following terms is used to describe the introduction of living organisms into the environment that grow and become invasive?

Question 7 7. Which is true about free energy and matter?

Question 8 8. Succession in which type of habitat has been researched more and is better understood?

Question 9 9. Which of the following is true about all environments?

Question 10 10. A chaparral plant that is usually only seen in the first couple of years after a fire is also called what?

Page 3

Question 11 11. Pollution caused by humans is known as _____.

Question 12 12. What is a population?

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

Question 14 14. What might be the reaction of a botanist who discovered a new plant in the Saharan desert? Why would they react that way?

Question 15 15. Which of the following is an effect of deforestation?

Page 4

Question 16 16. Which of the following is NOT a natural disturbance that is considered when studying economic resilience?

Question 17 17. 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 18 18. Which of the following terms is used to describe the measure of the demand for resources required to support a lifestyle?

Question 19 19. What is the term used to describe the removal of sediment from the bottom of an aquatic environment?

Question 20 20. Choose the set of factors that will most certainly lead to desertification.

Page 5

Question 21 21. Which of the following events is likely to precede primary succession?

Question 22 22. Why is deforestation harmful to biodiversity?

Question 23 23. Which of the following is NOT an example of anthropogenic pollution?

Question 24 24. What do the letters in the equation IPAT stand for?

Question 25 25. Which term is best described as the responsible interaction with the environment to avoid depletion or degradation of natural resources and allow for long-term environmental quality?

Page 6

Question 26 26. Which of the following statements is true about greenhouse gases?

Question 27 27. Which of the following is a true statement about introduced species?

Question 28 28. Dr. Smith is studying algae. Would she consider ponds in her research on ecological diversity? Why or why not?

Question 29 29. What is ecological balance?

Question 30 30. What is the term used to describe a substance that pollutes the air, water or land?

Michigan Merit Exam: Ecosystems & Populations 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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