Interaction Among Organisms in the Ecosystem 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 these large organisms has a type I survivorship curve?

Question 2 2. What is commensalism?

Question 3 3. Which of the following is a key feature of the life histories of species that have a type III survivorship curve?

Question 4 4. What are the three types of dispersion?

Question 5 5. What is coevolution?

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Question 6 6. According to this graph, at which elevation is the population density of Species A the highest?

Question 7 7. 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?

Question 8 8. When two or more species in a community are competing for resources it is called:

Question 9 9. The process by which organisms spread to new areas is called:

Question 10 10. Which of the following is not an indirect indicator that biologists can use to estimate a population's density?

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Question 11 11. What is the effect of predation on prey?

Question 12 12. According to the r/K selection theory, an r-selected species has which of the following characteristics?

Question 13 13. What do biologists think the most common reason for migration is?

Question 14 14. If an introduced species survives in its new environment and starts breeding, what are the likely consequences?

Question 15 15. The type of symbiosis where both species benefit from the interaction is called:

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Question 16 16. What is a characteristic of animals that use chemicals for defense?

Question 17 17. Short-lived species with a high growth rate that produce a large number of offspring, each of which has a low probability of survival to adulthood, are called:

Question 18 18. 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 19 19. According to metapopulation theory, what will happen when a population of a particular species goes locally extinct in a particular patch of habitat?

Question 20 20. What does the term colonization mean in terms of organisms?

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Question 21 21. What is an ecomorph?

Question 22 22. Which of the following is true about amensalism?

Question 23 23. What usually happens in a natural population as it approaches its carrying capacity?

Question 24 24. A species that is living outside of its native environment and was brought there by human activity is called a(n):

Question 25 25. Populations that have recently evolved physical variations to adapt to specific micro-environments are called:

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Question 26 26. For a metapopulation to survive over the long term _ must occur as much or more than _.

Question 27 27. Which of the following is not a feature of a metapopulation?

Question 28 28. Organisms with chemical defenses typically use:

Question 29 29. What is a wildlife corridor?

Question 30 30. Coevolution can best be described as:

Interaction Among Organisms in the Ecosystem 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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