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Changing 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. The term 'extinction' refers to organisms that:

Question 2 2. Why do people want to restore natural habitats that have been destroyed?

Question 3 3. The majority of species extinctions are caused by _____.

Question 4 4. In Biology, the correct order for classifying organisms by their taxonomic rank is:

Question 5 5. Which of the following is NOT a background extinction event?

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Question 6 6. The majority of biodiversity in Antarctica is found in _____.

Question 7 7. Which of the following is NOT an example of anthropogenic pollution?

Question 8 8. To be considered an invasive species by the United States federal government, a species must be:

Question 9 9. A forest's biodiversity is generally dependent on latitude. Where would you find the highest biodiversity on the planet?

Question 10 10. Why does the biodiversity of estuaries and salt marshes fluctuate?

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Question 11 11. Which forest type(s) can lose their leaves?

Question 12 12. Removing too many of a single species from the environment is problematic for all of the following reasons, except:

Question 13 13. A series of acts have been passed on 'Rod' Island (fictitious location). Select the act that will NOT reduce organism extinctions in the future.

Question 14 14. Which forest type(s) experience significant seasonal variation in temperature?

Question 15 15. Which ecosystem is characterized by a photic zone and low biodiversity?

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Question 16 16. Which of the following scenarios is least likely to have a detrimental impact on an ecosystem?

Question 17 17. If you want to determine the species richness index specifically for the number of fish on a coral reef, which of the following would be the best way to sample?

Question 18 18. Which of following organisms is NOT found in Antarctica?

Question 19 19. Which of the following is NOT a commonly known invasive species?

Question 20 20. Harvesting a species from its habitat at a rate faster than the population can recover likely means that the species is:

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Question 21 21. Pollution caused by humans is known as _____.

Question 22 22. What is bycatch?

Question 23 23. What factor has led to the increase in invasive species in recent decades?

Question 24 24. If an Evergreen population has been decimated, what might ecological restorers do?

Question 25 25. In which forest type(s) would you expect to find numerous species of monkey?

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Question 26 26. Select the order in which animals are fed if a habitat has not been fragmented.

Question 27 27. All of these statements are correct, EXCEPT:

Question 28 28. An organism that used to exist and no longer does is called _____.

Question 29 29. Which ecosystem is characterized by high biodiversity and numerous organisms that are nocturnal?

Question 30 30.

Finish this conversation:

Peter: I don't understand why people spend time reforesting. We've already benefitted from the trees.

Carol: _____

Changing 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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