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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5: Laws of Variation.

Multiple Choice Questions

1. What is the struggle for existence caused by?
(a) Natural selection.
(b) Too many species.
(c) Quick reproduction.
(d) Little food sources.

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

3. What does natural selection say about the most distinct characteristic of a species?
(a) It will be the smallest change.
(b) The change is seen in ancestors.
(c) It will be the largest change.
(d) It is the most recently changed.

4. Which of the following tends to live over larger areas?
(a) Mammals.
(b) Subspecies.
(c) Species.
(d) Variations.

5. On what ship did Darwin ride while writing The Origin of Species?
(a) H.M.S. Seafarer.
(b) H.M.S. Beagle.
(c) H.M.S. Victoria.
(d) H.M.S. Clipper.

Short Answer Questions

1. What does the absence of complete facts with Darwin's theory open the theory up to?

2. Which species require more years for change?

3. What is unique about white cats with blue eyes?

4. What is unique about variation in polymorphic species?

5. What is likely to NOT affect variations that are consistent among individuals?

(see the answer key)

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