Populations & Relationships in Ecology 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. Which of the following is NOT going to result in the need for secondary succession?

Question 2 2. Where is secondary succession most obvious?

Question 3 3. In a North American forest, how long would you expect the process of secondary succession to take (from disturbance event to climax community)?

Question 4 4. Which of the following is TRUE about K-selected species?

Question 5 5. The 'r' in 'r-selected' represents ______.

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Question 6 6. Which of the following is a trait of K-selected species?

Question 7 7. What types of adaptations do large predators have that make people afraid of them?

Question 8 8. Why are predators, like the polar bear, always at the top of a food chain?

Question 9 9. Where do predators fall in a food chain?

Question 10 10. An ecological niche includes ______.

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Question 11 11. Ecological niches include ______.

Question 12 12. What kinds of organisms do NOT fill ecological niches?

Question 13 13. What are some of the costs species face that are associated with ecological dispersal?

Question 14 14. Which is a reason that individuals may disperse in an ecosystem?

Question 15 15. What are the two types of ecological dispersal?

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Question 16 16. Biotic means _____.

Question 17 17. Organism X has a gestational period of three months and can produce ten offspring maximum. Organism Y has a gestational period of 8 months but can produce 27 offspring maximum. Which of the following is true?

Question 18 18. Organism X has a gestational period of three months and can produce ten offspring maximum. Organism Y has a gestational period of 8 months but can produce 27 offspring maximum. Which of the following is true?

Question 19 19. Due to _______, the ice sheets are melting and the polar bear is losing the area in which it hunts.

Question 20 20. What is a type of natural habitat?

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Question 21 21. What are the two defining factors of a natural habitat?

Question 22 22. Which best describes emigration?

Question 23 23. What is the natality rate of a population that has 67 new births within a year, and began with 1300 individuals in the population at the start of that year?

Question 24 24. Carrying capacity is determined for a population mainly by what factor?

Question 25 25. Which of the following would be an example of ecological balance?

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Question 26 26. Which of the following is the definition of ecological balance?

Question 27 27. Which of the following is not an example of ecological balance?

Question 28 28. Which of the following statements is true?

Question 29 29. Which of the following is not an example of ecological imbalance?

Question 30 30. Which of the following is not an example of ecological imbalance?

Populations & Relationships in Ecology 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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