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ScienceFusion Ecology & the Environment Unit 2.4: Changes in 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. What might be the reaction of a botanist who discovered a new plant in the Saharan desert? Why would they react that way?

Question 2 2. 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 3 3. Which of the following events is likely to precede primary succession?

Question 4 4. Which type of succession would occur in an area where lava covered an entire forest?

Question 5 5. How does eutrophication deplete water of oxygen?

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Question 6 6. What is the appropriate definition of ecological succession?

Question 7 7. What is the main cause of eutrophication?

Question 8 8. A hurricane hit an island where the only trees were palm trees. What might a biologist say about the ecosystem after the hurricane?

Question 9 9. Succession in which type of habitat has been researched more and is better understood?

Question 10 10. Dr. Smith is studying algae. Would she consider ponds in her research on ecological diversity? Why or why not?

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Question 11 11. What is the difference between species diversity and genetic diversity?

Question 12 12. Eutrophication is less likely to occur in areas that

Question 13 13. What is the term used to describe the first species to colonize an area after a disturbance, and how do these species help recovery of the area?

Question 14 14. What is a climax community?

Question 15 15. What is the term used to describe the removal of sediment from the bottom of an aquatic environment?

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Question 16 16. The chaparral biome is characterized by what?

Question 17 17. Which is NOT a way to prevent eutrophication?

Question 18 18. A chaparral plant that is usually only seen in the first couple of years after a fire is also called what?

Question 19 19. Which is NOT a negative effect of hypoxia?

Question 20 20. After a glacier recedes, the moss and lichens that grow on the newly exposed rock surfaces are called what?

ScienceFusion Ecology & the Environment Unit 2.4: Changes in 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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