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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. In most species, what do many females mostly prefer in males?
(a) A male that promises to stay around.
(b) External factors, like male attractiveness.
(c) The ability to keep her safe.
(d) Money.

2. High status individuals tend to have __________.
(a) Male babies.
(b) Less babies.
(c) Female babies.
(d) No babies.

3. To understand human nature, what must we understand?
(a) Differences in humans.
(b) The origin of human nature.
(c) The origin of emotions.
(d) The origin of attraction between humans.

4. Organisms that reproduce sexually will pass immunity or defenses down to whom?
(a) Their friends.
(b) Their descendants.
(c) Their spouses.
(d) No one.

5. What happens if a virus attacks a population of clones?
(a) The clone population will be wiped out.
(b) The virus will kill only the weakest clones.
(c) The clones attack one another in order to survive.
(d) The clone population will effectively kill the virus.

6. Why is asexual reproduction a less risky option for an organism?
(a) There is no seeking out mates or the risk of being rejected.
(b) It is not less risky.
(c) All the clones will be healthy.
(d) There will be no one competing.

7. What is the "sexy-sons" theory?
(a) Females will always choose the most attractive man.
(b) Sons will be the most attractive if the two parents are very attractive.
(c) Males will always choose the most attractive woman.
(d) Sons are always sexier than daughters.

8. Lower class individuals tend to have _________.
(a) More babies.
(b) Less babies.
(c) Female babies.
(d) Male babies.

9. Why do genes exist?
(a) They insure that the species survives.
(b) They are the descendants of previous genes.
(c) They are used to carry DNA mappings.
(d) They pass viruses down.

10. In which cultures are male babies especially prized?
(a) American.
(b) Indian.
(c) Chinese.
(d) Chinese and Indian.

11. What is one way of good gene replication that the author mentions?
(a) Asexual reproduction.
(b) Fission.
(c) Viruses.
(d) Sex.

12. In Chapter 4, what story of tragedy does the author tell?
(a) The story of the gazelle.
(b) The story of the salesman.
(c) The story of the fisherman.
(d) The kangeroo story.

13. What is the male to female ratio?
(a) 2:1.
(b) 1:3.
(c) 1:2.
(d) 1:1.

14. What do scientists want to discover about genetic mixing?
(a) How to make genetic mixing more reliable.
(b) How to make genetic mixing affordable.
(c) Why genetic mixing is better than cloning oneself.
(d) Why cloning is more successful than genetic mixing.

15. At the end of Chapter 3, what does the author say will be explored in the next chapter?
(a) Why babies are hard to keep alive.
(b) Why there are men and women.
(c) More ways that evolution can work against organisims.
(d) How babies are made.

Short Answer Questions

1. What is the continuous arms race that occurs between organisms?

2. How do organisms compete during evolution?

3. Who has solutions concerning genetics?

4. The gender ratio is ___________ as an evolutionary pressure in humans.

5. What does sex do to the genome of humans and other organisms?

(see the answer keys)

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