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

2. How does Chapter 2 begin?
(a) An explanation of sexual reproduction.
(b) Information about the author.
(c) With a fictional account of a Martian visitor.
(d) With diagrams.

3. Ever since _____________ in the late 19th century, scientists have understood that all life forms are a product of biological evolution.
(a) Richard Dawkins.
(b) Charles Darwin.
(c) Jean-Baptiste Lamarck.
(d) Russel Wallace.

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

5. What is the tangled bank theory?
(a) Sexual reproduction allows for a smaller number of very exceptional offspring.
(b) Sexual reproduction is the riskiest way for humans to reproduce.
(c) Different organisms in an environment saturated with similar organisms have a greater likelihood of survival.
(d) It is more advantageous for humans to asexually produce.

Short Answer Questions

1. Pre- Darwinian thinkers such as _____________ believed that evolution was a process of individual adaptations that were later passed down to ancestors.

2. Why does this organism present a mystery to the question of reproduction?

3. What is the primary part in sexual reproduction?

4. What is the primary purpose of sexual reproduction that is very beneficial for all offspring?

5. Why is the Vicar of Bray theory flawed?

(see the answer key)

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