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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6: Difficulties on Theory.

Multiple Choice Questions

1. What is one reason that some species' traits are different from other species?
(a) Climate.
(b) Habitat.
(c) Natural selection.
(d) Inheritance.

2. What may stop a group of carnivorous wolves from growing?
(a) The group decreases in numbers.
(b) Climate change.
(c) The group becomes too large.
(d) Migration changes.

3. Which term refers to a type of variation that is NOT inherited and only affects individuals?
(a) Organism variation.
(b) Species variation.
(c) Definite variation.
(d) Indefinite variation.

4. What is the best example of traits that continue to vary?
(a) Migration characteristics.
(b) Secondary sexual characteristics.
(c) Mating habits.
(d) Primary sexual characteristics.

5. What is one geographical change that affects islands and continents?
(a) Rainfall changes.
(b) Sea level changes.
(c) Animal variations.
(d) Climate changes.

Short Answer Questions

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

2. As an example of a variation, what does Darwin indicate in Chapter 1 that is a change due to improved diet?

3. What do naturalists connect with species that have two or three variations?

4. How many objections does Darwin say there are about natural selection?

5. What aspect of organisms is not caused by chance?

(see the answer key)

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