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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 is the fate of traits that are neither helpful nor unhelpful for survival?
(a) They are not subject to natural selection.
(b) The are bred out of the species.
(c) They are subject to artificial selection.
(d) They are subject to natural selection.

2. As an example of a variation, what does Darwin indicate in Chapter 1 that is a change due to improved diet?
(a) Increased size.
(b) Decreased size.
(c) Higher intelligence.
(d) Lower intelligence.

3. What does Darwin suggest about variation for parts that are NOT specialized?
(a) Eventually stops.
(b) Becomes correlational.
(c) Less variation.
(d) More variation.

4. What aspect of organisms is not caused by chance?
(a) Variation.
(b) Gender.
(c) Location.
(d) Size.

5. What term refers to those organisms that survive despite the struggle for resources?
(a) Circle of life.
(b) Natural selection.
(c) Hereditary modification.
(d) Artificial selection.

Short Answer Questions

1. Why would one organism be able to survive in a climate that another could not?

2. What would a variety do in order to become a new species?

3. What do Naturalists suggest is one definite distinction between a species and a variety?

4. In Chapter 4: Natural Selection, what does Darwin suggest about most variations?

5. Which term refers to a type of variation that is NOT inherited and only affects individuals?

Short Essay Questions

1. Why does Darwin feel the distinction between species variations is arbitrary?

2. Why does Darwin suggest his methods of study are inadequate?

3. What is the importance of indefinite variations?

4. How do variations occur in the wild?

5. How does Darwin propose a theory that goes against long-held popular belief?

6. What is the ultimate result of the constant struggle to live?

7. Why is a flying mammal such as a bat difficult to explain through natural selection?

8. Why would natural selection be considered counter-intuitive?

9. Why is it sometimes impossible to tell if climate is the cause for variations in the same species located in different geographical locations?

10. What can't all examples for disused organs be attributed to correlational growth?

(see the answer keys)

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