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Habitats & 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 is dispersion?

Question 2 2. Which of the following is a function of the National Park Service in the United States?

Question 3 3. Which of the following would be the MOST LIKELY cause of habitat fragmentation?

Question 4 4. Which of the following may ALL occur as the result of an introduced species that has adapted to its new environment?

Question 5 5. Competition for resources, and the partitioning of those resources between members of a population of one particular species in an area will most likely result in a _____ dispersion pattern of that population.

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Question 6 6. According to metapopulation theory, what will happen when a population of a particular species goes locally extinct in a particular patch of habitat?

Question 7 7. Which of the following processes provides balance within the native habitat of a species, but is no longer present once the species is introduced into a new habitat?

Question 8 8. What is ecological balance?

Question 9 9. What do biologists think the most common reason for migration is?

Question 10 10. Which of the following is a true statement about introduced species?

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Question 11 11. If an introduced species survives in its new environment and starts breeding, what are the likely consequences?

Question 12 12. Scientists are studying a certain type of ivy that was introduced into the area and has caused the extinction of other local plant species. This is an example of _____.

Question 13 13. What is an invasive species?

Question 14 14. Which of the following is a major goal of conservation biologists?

Question 15 15. What is a wildlife corridor?

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Question 16 16. Given a particular geographical area in which a conservation group is working, which type of species research would that group MOST likely direct limited funds to first?

Question 17 17. According to metapopulation theory metapopulations, or groups of local populations existing in different patches, are all connected by _____. This means that even if the local population in one patch dies off, it can be replenished from another patch.

Question 18 18. What usually happens in a natural population as it approaches its carrying capacity?

Question 19 19. What is a population's range?

Question 20 20. Intraspecific competition usually gives rise to which of the following dispersion patterns?

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Question 21 21. Which of the following is not a feature of a metapopulation?

Question 22 22. The carrying capacity of an area is the maximum stable population in that area that can be sustained over time. As the natural population approaches the carrying capacity, _____ and eventually _____ when the carrying capacity is reached.

Habitats & Ecosystems Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!

Environmental Science 101: Environment and Humanity  /  Science Courses
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