3. What were Frank Preston's findings in plotting the distribution of species in island habitats?
(a) A direct proportion to represent commonness of species.
(b) An indirect proportion to represent commonness of species.
(c) A random relationship between size of island and commonness of species.
(d) A bell curve to represent commonness of species.

4. What were theories of species evolution based on in Wallace's time?
(a) Religion.
(b) Science.
(c) Guesses.
(d) Superstition.

5. How would you describe Quammen's style?
(a) Patient and thorough.
(b) Linear.
(c) Pedantic.
(d) Disjointed.

6. Who did Robert Bates work with?
(a) Darwin.
(b) Wilson.
(c) Wallace.
(d) Quammen.

7. Where did Wallace travel after the Amazon?
(a) The Malay Archipelago.
(b) Palestine.
(c) Australia.
(d) Galapagos islands.

8. How many species would an island of 4,000 square miles have, according to Quammen?
(a) 271.
(b) 88.
(c) 400.
(d) 40.

9. When did Krakatau erupt?
(a) 1923.
(b) 1852.
(c) 1883.
(d) 1721.

10. What is the difference between an isolate and a sample?
(a) Samples are only statistically related to larger environments.
(b) An isolate does not have a relation with a larger area.
(c) A sample is only representative of itself.
(d) Trends in an isolate can be applied to larger areas.

11. What does Michael Soule study?
(a) Birds in Guam.
(b) Dodos.
(c) Tasmanian tigers.
(d) Lizards in the Gulf of California.

12. How does Quammen say islands are sometimes formed?
(a) Earthquakes.
(b) Seismic upthrust.
(c) Volcanic activity.
(d) Rise in sea level.

13. What does Quammen say an island is?
(a) An isolate.
(b) A fundamentally unique environment.
(c) A sample.
(d) A replica of other ecosystems.

14. What rule governs the relationship between the size of an island and the number of species it can support?
(a) The taller the highest point on the island, the greater the number of species.
(b) The greater the fertility of the soil, the greater the number of species.
(c) The longer the coastline the greater the number of species.
(d) The large the island, the greater the number of species.

15. What does Quammen says Charles Darwin and Alfred Wallace had in common?
(a) They both found hostile responses to their work.
(b) They both studied island ecosystems.
(c) They both studied birds.
(d) They both collected insects and primates.