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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5, How We Pick Our Mates and Sex Partners.

Multiple Choice Questions

1. Why must women be highly selective in extra-marital sexual partners?
(a) They risk contracting diseases.
(b) They are supported by society.
(c) To avoid becoming emotionally attached.
(d) To avoid compromise or disclosure.

2. How selective are humans across an array of traits?
(a) Slightly.
(b) Not at all.
(c) Highly.
(d) Minimally.

3. Eventually A. robustus became extinct and A. africanus gave rise to who?
(a) Homo ergaster.
(b) Homo sapiens.
(c) Homo habilis.
(d) Homo erectus.

4. There is a strong correlation between sexual size dimorphism and what?
(a) Polygamy.
(b) Heterosexuality.
(c) Monogamy.
(d) Homosexuality.

5. To what is the pair bonding found among humans probably due?
(a) The need for having many children.
(b) The inordinately high burden of childcare found within human societies.
(c) The difficulty of surviving on one's own.
(d) The need for a permanent mate.

Short Answer Questions

1. Who are the chimps' closest living relatives?

2. How are humans unique among primates?

3. What is the size ratio between a male and female in monogamous species?

4. What does this say about secretive extra-marital sexual unions?

5. What final set of traits is clearly correlated to sexual attractiveness?

(see the answer key)

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