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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3, The Evolution of Human Sexuality.

Multiple Choice Questions

1. In most primates, sexually receptive females exhibit what?
(a) Hidden estrus.
(b) Brightly colored and swollen genitalia.
(c) Aggressive behaviors.
(d) Certain behaviors.

2. Around 500,000 years ago, H. erectus appears to have given rise to who?
(a) The first modern H. ergaster.
(b) The first modern H. habilis.
(c) The first modern H. georgicus.
(d) The first modern H. sapiens.

3. When do chimps, humans, and gorillas break off from the remaining higher primates?
(a) C. 20 millions of years ago.
(b) C. 15 millions of years ago.
(c) C. 5 millions of years ago.
(d) C. 10 millions of years ago.

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

5. What is the size ratio between a male and female in monogamous species?
(a) They are usually the same size.
(b) The size is not of importance.
(c) The female is usually larger than the male.
(d) The male is usually larger than the female.

Short Answer Questions

1. What does the author say about primates with small testes?

2. The author presents a greatly simplified view of the evolutionary process where numerous uncertain elements are noted but dismissed. For what does this allow?

3. The chimp species (Pan troglodytes) shares what percent of its DNA in common with the pygmy chimp species (Pan paniscus)?

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

5. Both chimps and humans share what percent of their DNA in common with the gorilla species?

(see the answer key)

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