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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 12, Alone in a Crowded Universe.

Multiple Choice Questions

1. What do the Green Bank estimates indicate?
(a) Extra-terrestrial life and intelligence is rediculous.
(b) Extra-terrestrial life and intelligence should be plentiful.
(c) Extra-terrestrial life and intelligence is non-existent.
(d) Extra-terrestrial life and intelligence is minimal.

2. From what does the author derive clues regarding a species' long-term survival probability?
(a) How able it is to repair itself.
(b) How much energy several species invest in self-repair.
(c) How fast and strong it is.
(d) How long it takes to develop prior to birth.

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 small groups of non-mated humans.
(b) Performing statistical analysis on observable measurements taken from small groups of 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 large groups of non-mated humans.

4. What physical traits tend to be significant for an individual's attraction to someone else?
(a) Traits that contrast with one's own.
(b) Traits that closely approximate their own.
(c) Traits that are not dominant in one's own.
(d) Traits that are different from one's own.

5. What does the author say about primates with small testes?
(a) They mate infrequently.
(b) They are more aggressive.
(c) They mate frequently.
(d) They are more complaisant.

Short Answer Questions

1. Why are studies of sexual attractiveness in humans difficult to do?

2. What does the author say about the numerous scientific approaches to aging that have been proposed and numerous theories that have been suggested?

3. What is the conclusion based on the art criteria?

4. What does the author note about studies done on woodpeckers?

5. What is the Green Bank formula?

(see the answer key)

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