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Organisms and the Environment 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 of the following is true about all environments?

Question 2 2. Which of the following is a major goal of conservation biologists?

Question 3 3. Which of the following organisms is a primary consumer of a prickly pear cactus?

Question 4 4.

Which of the following statements about estuaries are true?

A. They are the gateway to freshwater breeding grounds of some marine animals

B. They are the breeding grounds for many types of aquatic animals

C. Estuaries are resistant to pollution because the constant inflow of freshwater flushes the pollutants out into the ocean.

D. They are areas where freshwater streams or rivers merge with the sea

Question 5 5. A chaparral plant that is usually only seen in the first couple of years after a fire is also called what?

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Question 6 6. The variability of life forms within a given ecosystem is known as _____.

Question 7 7. According to this graph, at which elevation is the population density of Species A the highest?

Question 8 8. What is the major difference between competitive exclusion and local extinction?

Question 9 9. Which of the following processes takes carbon out of the short-term carbon cycle?

Question 10 10. What is an invasive species?

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Question 11 11. Which of these large organisms has a type I survivorship curve?

Question 12 12. Which of the following is true about deserts?

Question 13 13. According to the r/K selection theory, an r-selected species has which of the following characteristics?

Question 14 14. The lowest, most basic level at which ecology is studied is:

Question 15 15. What is a taiga biome?

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Question 16 16. What usually happens in a natural population as it approaches its carrying capacity?

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

Question 18 18. Which of the following events is likely to precede primary succession?

Question 19 19. What is commensalism?

Question 20 20. Which of the following is not an abiotic factor?

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Question 21 21. Which of the following is FALSE about atmospheric carbon dioxide levels?

Question 22 22. Within the biogeochemical cycle, where do consumers get most of their elements from, not including oxygen and hydrogen?

Question 23 23. What is niche differentiation?

Question 24 24. An ecosystem is composed of what?

Question 25 25. When a bee gathers nectar from a certain type of flower to make honey and in the process pollinates the flower, what kind of relationship exists between the bee and the flower?

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Question 26 26. In which of the following biomes would you expect to find a complete absence of plant life.

Question 27 27. Which of the following is a function of the National Park Service in the United States?

Question 28 28. If an introduced species survives in its new environment and starts breeding, what are the likely consequences?

Question 29 29. Which of the following is true about savannas?

Question 30 30. The chaparral biome is characterized by what?

Organisms and the Environment 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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