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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. What do large shifts in geology promote in species?
(a) Development of new variations.
(b) Development of new genera.
(c) Increased migration.
(d) Development of new species.

2. If natural selection is accepted, what is rejected?
(a) Species were created independently.
(b) There is only artificial selection.
(c) Variations must be subjective.
(d) All differences must be different species.

3. What is NOT sufficient to account for differences in organisms in different regions?
(a) Natural selection.
(b) Food supply.
(c) Genetics.
(d) Differences in climate and terrain.

4. In Chapter 8, according to Darwin's example, what domesticated variety is NOT able to reproduce?
(a) Spiders.
(b) Mongrel.
(c) Ants.
(d) Maize.

5. How do organisms differ within classifications?
(a) In their migration.
(b) In their mating.
(c) In their habits.
(d) In their eating.

Short Answer Questions

1. If the pistils of a flower are very long, what type of reproduction limitation may this result in?

2. In addition to the Formica rufescens, what other ant species takes slaves?

3. What type of species do many islands lack?

4. What do naturalists understand will never happen to most organisms?

5. What are variations typically related to in complex species?

Short Essay Questions

1. How does Darwin explain similarities in embryos?

2. What does Darwin suggest about the milking behaviors of ants on some insects?

3. Describe the process of egg-laying of the European cuckoo.

4. How are fossils classified?

5. How does less competition affect natural selection?

6. What does Darwin suggest about the fossil records of trilobites?

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

8. How can the inheritance of traits be seen in domesticated dogs?

9. How can naturalists determine if land masses were once connected?

10. Why does Darwin use a fish and a reptile as comparisons?

(see the answer keys)

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