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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9: On the Imperfection of the Geological Record.

Multiple Choice Questions

1. Why do scientists believe fossils do not exist at the bottom of the ocean?
(a) They cannot get to the bottom.
(b) Fossils are only found on land.
(c) Too much pressure.
(d) No species that far down.

2. What do naturalists say about the situation of hybrids resembling their parents?
(a) Natural selection can explain this resemblance.
(b) Artificial selection explains this.
(c) Natural selection cannot explain this resemblance.
(d) There is no explanation.

3. What is the primary cause for the struggle for survival between species?
(a) Variation.
(b) Environmental factors.
(c) Rapid reproduction.
(d) Food sources.

4. What would increase the likelihood of variations occurring in a given population?
(a) Domestication.
(b) Dramatic environmental changes.
(c) Increase in available food.
(d) Fewer members of the species to compete with.

5. How is the practice of purposeful selection seen throughout history?
(a) Written records.
(b) No change in species.
(c) Natural change in species.
(d) Relics from ancient civilizations.

Short Answer Questions

1. When are fossils typically preserved?

2. Why are some useless organs sill found in animals?

3. What type of relationship do organisms have with one another?

4. How is the American cuckoo different from the European cuckoo?

5. What does Darwin say will happen to species that do not adapt?

(see the answer key)

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