Evolving 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. Which of the following is NOT a principle of Darwin's theory of evolution?

Question 2 2.

Which of the following is an example of natural selection?

I. Albino animals are rare in nature because they are easy for predators to find.

II. The fastest gazelle is least likely to be eaten by a lion.

III. The gorilla that is strong enough to become alpha male is the most likely to pass on his genes.

Question 3 3. A chaparral plant that is usually only seen in the first couple of years after a fire is also called what?

Question 4 4. Succession in which type of habitat has been researched more and is better understood?

Question 5 5. What is it called when two alleles of a gene are maintained in a population because heterozygotes are more fit than their homozygous counterparts?

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Question 6 6. What is a climax community?

Question 7 7. What was the primary difference between Lamarck's theory of evolution and Darwin's?

Question 8 8. What is a taiga biome?

Question 9 9. Evolutionary fitness is:

Question 10 10. Which of the following events is likely to precede primary succession?

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Question 11 11. A scientist has observed animals in a particular habitat for some time. She notices that in a population of birds those with either short or long beaks can find more food than those with average sized beaks. Over time, she notices a higher proportion of birds in the population have either short or long beaks. She is observing:

Question 12 12. Which of the following is NOT true about a taiga?

Question 13 13. Which of the following biomes does NOT have a high level of primary production?

Question 14 14. What is the proper definition for primary production?

Question 15 15. Which of the following forces is LEAST likely to cause a new species to arise in a population?

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Question 16 16.

Which of the following statements does NOT represent the idea of heritability by acquired characteristics?

I. A body builder develops stronger muscles during the course of his life, so his son will be strong as well.

II. A cat that lost its tail will produce offspring with shorter tails.

III. Over time, a population of heavily striped zebras increased over those without as much striping, as the heavily striped ones had a competitive advantage over the zebras with fewer stripes, and were, therefore, better able to reproduce.

Question 17 17. Which biome has the greatest species richness?

Question 18 18. The chaparral biome is characterized by what?

Question 19 19. Which type of succession would occur in an area where lava covered an entire forest?

Question 20 20. With regard to terrestrial succession, what is the difference between primary and secondary succession?

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Question 21 21. In which of the following biomes would you expect to find a complete absence of plant life.

Question 22 22. A community, such as the spruce-hemlock forests in Alaska, that can be stably maintained after completion of ecological succession is called a:

Question 23 23. What is the difference between alpine tundra and arctic tundra?

Question 24 24. What is the term used to describe the removal of sediment from the bottom of an aquatic environment?

Question 25 25. A large terrestrial or aquatic region on Earth characterized by a unique climate and community of plants and animals is called a(n):

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Question 26 26. If a plant species is endemic to Mt. Kilimanjaro, what does that mean?

Question 27 27. A species that is endemic to an area:

Question 28 28. Which of the following is NOT true about a desert biome?

Question 29 29. 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 30 30. On a total net basis, which biome is the most productive?

Evolving 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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