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Ecology & 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!

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Question 1 1. How many trophic levels does an omnivore feed on within an ecosystem?

Question 2 2. If a mosquito feeds on a bird that is infected with the West Nile Virus and then feeds on a human being who then contracts the virus, what role is the mosquito playing in the infection of the person?

Question 3 3. According to this graph, at which elevation is the population density of Species A the highest?

Question 4 4. An association between two different species where the symbiont benefits and the host is harmed is known as:

Question 5 5. Which specific field of science gave rise to the theoretical idea of island biogeography and its counterpart, island biodiversity?

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Question 6 6. Which of the following is not a component of the phosphorus cycle?

Question 7 7. What is a climax community?

Question 8 8. Which of the following organisms is a primary consumer of a prickly pear cactus?

Question 9 9. What is a population?

Question 10 10. What do biologists think the most common reason for migration is?

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Question 11 11. What is biogeochemical cycling?

Question 12 12. What is coevolution?

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

Question 14 14. Which concept best describes ecology?

Question 15 15. What constitutes a food web?

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

Question 17 17. The lowest, most basic level at which ecology is studied is:

Question 18 18. Which of the following is not an indirect indicator that biologists can use to estimate a population's density?

Question 19 19. Which of the following is true about amensalism?

Question 20 20. 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 21 21. 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 22 22. Which term is used to describe how plants spread their seeds?

Question 23 23. Which type of factors has the biggest impact on an organism's life history?

Question 24 24. What is dispersion?

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. What is the effect of predation on prey?

Question 27 27. What is a modern human intervention in the phosphorus cycle?

Question 28 28. What is a habitat?

Question 29 29. What is a population's range?

Question 30 30. What is a characteristic of animals that use chemicals for defense?

Ecology & 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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