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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. How do some scientists try to explain the purpose of rudimentary organs?
(a) They were used by ancestors.
(b) They beat the process of natural selection.
(c) They serve as support filler.
(d) They add symmetry.

2. How do biologists classify organisms?
(a) Groups of internal features.
(b) Groups of functions.
(c) Groups of resemblance.
(d) Groups of locations.

3. How far are the Galapagos Islands from South America?
(a) 100 miles.
(b) 300 miles.
(c) 500 miles.
(d) 200 miles.

4. What can be said about organisms belonging to the same species?
(a) They will change at the same rate.
(b) They will produce the same type of variations.
(c) They have similar habits.
(d) They originated from the same location.

5. What type of organisms will not fossilize?
(a) Insects.
(b) Sea animals.
(c) Soft creatures.
(d) Species with bones.

Short Answer Questions

1. What insect does Darwin offer as an example of having a naturally selected trait that is NOT beneficial?

2. What seems unlikely, but must be possible concerning the migration of fish?

3. In Chapter 8, according to Darwin's example, what domesticated variety is NOT able to reproduce?

4. What does Darwin suggest about acquired traits in parents?

5. Why is instinct NOT well-defined?

Short Essay Questions

1. How does less competition affect natural selection?

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

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

4. How does Darwin explain similarities in embryos?

5. Why is adaptation necessary?

6. Why do rudimentary organs pose a problem for theorists that species were created independently?

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

8. What is one cause of a landmass changing the geological record?

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

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

(see the answer keys)

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