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

2. 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.

3. When do various physical illnesses and social disease arise?
(a) When food is scarce.
(b) When various groups converge.
(c) With the advent of agriculture and rising population densities.
(d) With the hunting to extinction of large species by the hunter-gatherer societies.

4. When do gorillas then separate?
(a) C. 10 millions of years ago.
(b) C. 20 millions of years ago.
(c) C. 5 millions of years ago.
(d) C. 15 millions of years ago.

5. What is considered by most scientists to be uniquely human?
(a) Understanding.
(b) Love.
(c) Learning.
(d) Language.

Short Answer Questions

1. Several scientifically rigorous genetic investigations of large populations conclusively demonstrate that roughly ______ percent of human children are not the genetic children of the male parent whom assumes genetic relatedness.

2. How are the most rudimentary human languages termed?

3. What did Neanderthals apparently master?

4. How many main motivating rationales does the text propose for the cause of genocide?

5. How are humans unique among primates?

(see the answer key)

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