2. What strongly reinforces the desire for racially distinct partners?
(a) Education.
(b) Childhood imprinting.
(c) Infant imprinting.
(d) Genetics.

3. What does one of the most instructive avenues of investigation in human sexual attraction involve?
(a) Performing statistical analysis on observable measurements taken from large groups of non-mated humans.
(b) Performing statistical analysis on observable measurements taken from small groups of non-mated humans.
(c) Performing statistical analysis on observable measurements taken from large groups of mated humans.
(d) Performing statistical analysis on observable measurements taken from small groups of mated humans.

4. Why does the author suggest chimps be reclassified as Homo troglodytes and, presumably, Homo paniscus?
(a) Homo precedes Pan in the nomenclature.
(b) Chimps are no longer Pan.
(c) Pan precedes Homo in the nomenclature.
(d) Homo and Pan are the same nomenclature.

5. Recently, molecular data obtained from DNA hybridization suggests what?
(a) Humans are not closely related to chimpanzees and gorillas.
(b) Humans, chimpanzees, and gorilla are all very closely genetically related.
(c) Humans and chimpanzees are very closely genetically related.
(d) Humans are not closely related to gorillas.

6. What does the fact that the many vocalizations among groups of the same species vary significantly from group to group indicate?
(a) They are sounds known at birth.
(b) They are sounds learned only in adulthood.
(c) They are not the same language.
(d) They are a learned suite of sounds.

7. With what is every reproductive event for a human female filled?
(a) Love.
(b) Danger.
(c) Fear.
(d) Excitement.

8. If a woman continued to deliver children as frequently as possible until death, what would happen to her?
(a) She would be pregnant almost constantly for many decades.
(b) Her death would nearly positively result from childbirth.
(c) She would have a difficult time raising her children.
(d) She would do nothing but reproduce.

9. Is agriculture the golden solution for human survival?
(a) Yes.
(b) Only in the United States.
(c) No.
(d) In some cultures.

10. The author presents a greatly simplified view of the evolutionary process where numerous uncertain elements are noted but dismissed. For what does this allow?
(a) The author to convince the reader to trust his views.
(b) To make evolution seem simple and straightforward.
(c) Other scientists to dismiss this author's claims.
(d) A fairly straightforward presentation of human evolution in an intelligible and accessible format.

11. When did a great division in the human lineage occur?
(a) About three billions of years ago.
(b) About thirteen millions of years ago.
(c) About thirty millions of years ago.
(d) About three millions of years ago.

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

13. About 200,000 years ago, H. sapiens appears to have diverged into two distinct lineages usually known as what?
(a) Homo sapiens.
(b) Homo erectus.
(c) Neanderthals.
(d) Cro-Magnon man.

14. What is generally considered uniquely human?
(a) Language.
(b) Music.
(c) Art.
(d) Dance.

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