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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 2: Variation Under Nature.

Multiple Choice Questions

1. What do Naturalists suggest is one definite distinction between a species and a variety?
(a) Life span.
(b) Size of groups.
(c) Domestication.
(d) Geographical range.

2. Concerning the difficulty of defining species, sub-species, and variations, what does Darwin suggest about differences?
(a) There are no differences.
(b) They are arbitrary.
(c) Will depend on the species.
(d) Will depend on the climate.

3. What is unique about variation in polymorphic species?
(a) Not dependent on external factors.
(b) Not dependent on internal factors.
(c) All invertibrates.
(d) Dependent on external factors.

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

5. What term refers to exactly how species change over time?
(a) Laws of change.
(b) Laws of heredity.
(c) Laws of variation.
(d) Darwin's Law.

Short Answer Questions

1. What happens to a species if their traits and characteristics are not passed down to the next generation?

2. Which of the following refers to a scientist who studies living creatures?

3. With respect to breeders, what leads to the development of different varieties of species when breeding?

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

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

(see the answer key)

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