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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6, Sexual Selection, and the Origin of Human Races.

Multiple Choice Questions

1. What is the correlation for same-race mating?
(a) +0.9.
(b) +0.2.
(c) +0.5.
(d) +0.3.

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

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

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

5. Why do races tend to remain established and distinct?
(a) Sexual selection.
(b) Natural selection.
(c) Genetic selection.
(d) Physical selection.

Short Answer Questions

1. What traits are extremely highly important to sexual attractiveness?

2. Does penis size correspond to frequency of sexual intercourse?

3. When did a great division in the human lineage occur?

4. Do most racial traits appear to have any meaningful influence on environmental fitness?

5. What example does Darwin give to support his theory?

(see the answer key)

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