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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 type of work is presented in The Origin of Species?
(a) Spiritual.
(b) Biological.
(c) Chemical.
(d) Metaphysical.

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

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

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

5. Why do domestic ducks have lighter wings and heavier feet then wild ducks?
(a) Domestic ducks walk less.
(b) Domestic ducks walk more.
(c) This is a false statement.
(d) Different species.

Short Answer Questions

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

2. Why does the point of possible starvation for animals occur sooner than for humans?

3. What can some amount of variation be attributed to?

4. What is the primary cause for the struggle for survival between species?

5. In extreme environments, what are species in competition with?

(see the answer key)

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