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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 likely to NOT affect variations that are consistent among individuals?
(a) Domestication.
(b) Natural selection.
(c) Competition.
(d) External factors.

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

3. What happens when species are inter-bred?
(a) Offspring are stronger.
(b) Variations die out.
(c) Variations increase.
(d) Offspring are weaker.

4. Why would one organism be able to survive in a climate that another could not?
(a) It has more fur.
(b) It is maladapted.
(c) It is better adapted.
(d) It has thicker skin.

5. Which of the following occurs when one type of variation causes variation in another part of an organism?
(a) Mulitvariation.
(b) Misallocation of variation.
(c) Correlation of growth.
(d) Normal variation.

Short Answer Questions

1. What may hinder positive traits from being passed on during natural selection?

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

3. What would increase the likelihood of variations occurring in a given population?

4. Which species require more years for change?

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

(see the answer key)

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