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This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.

Short Answer Questions

1. Which of the following refers to offspring with parents from two different species?

2. Which of the following refers to organs that serve no purpose?

3. Which of the following refers to ways by which an organism could spread to a new area that would NOT typically occur naturally?

4. What do large shifts in geology promote in species?

5. In what type of species has perfect fertility of variations been demonstrated?

Short Essay Questions

1. Why can't climate account for differences in organisms from one region to the next?

2. How can the phenomenon of ancient species resembling current living groups be explained?

3. What is the key explanation for species living in different regions?

4. How does Darwin explain how the same genus of species are found in different geographical regions?

5. How does natural selection explain the lack of links between generations?

6. How do physical barriers correlate with differences in creatures that inhabit a region?

7. What undermines the belief that the infertility of species, when crossed, is the result of Divine institution?

8. What are three facts that can be explained by natural selection as discussed in Chapter 11?

9. What is a cause for infertility as discussed in Chapter 8: Hybridism?

10. How does the age of the earth play into natural selection?

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

Darwin uses the scientific method. How does he study nature and species using this method, and what is the significance of this method?

Essay Topic 2

How would a dramatic climate change affect a species? Consider the affect of the climate becoming (a) colder and (b) warmer. Use Darwin's arguments and explanations for this essay, provide examples of how each type of change would affect a species.

Essay Topic 3

Darwin discusses different types of selection. What is affected by sexual selection, and why is this type of selection so important to maintaining a species?

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