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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. The author seems to condemn the fact that, over the years, studying wildlife meant what?
(a) Nothing to the average person.
(b) Capturing and killing it.
(c) Destroying the environment.
(d) Mere recreation for the wealthy.

2. A Swedish DNA study concludes that all modern humans descended from how many people in Africa?
(a) 2,000.
(b) 10,000.
(c) 80,000.
(d) 500.

3. At this time, how many plant and animal species are becoming extinct per week?
(a) 100 to 200.
(b) 600 to 1,000.
(c) 50 to 80.
(d) 1 to 2.

4. What must amino acids do to become protein?
(a) Shrink.
(b) Split.
(c) Evolve.
(d) Link.

5. Alan Thorne's multiregional hypothesis asserts that modern man evolved from:
(a) Ongoing movement between cultures and regions.
(b) Three primary regions in Africa.
(c) Seven families in seven regions across the globe.
(d) Four primary regions in northern Asia.

Short Answer Questions

1. Ice ages are caused by:

2. Approximately how many okapi live in the rain forests of Zaire?

3. What book did paleontologist Stephen Jay Gould write?

4. Humans share 98.4 percent of their DNA with:

5. In Chapter 30, the author notes that, in the past, some larger species became extinct because:

Short Essay Questions

1. What did scientists find in the Burgess Shale of British Columbia?

2. What are cyanobacteria? How did they affect the environment billions of years ago?

3. What type of scientific work did the monk and scientist Gregor Mendel do?

4. Throughout the history of Earth, what are some of the causes of different species going extinct?

5. How do ice ages begin?

6. What did Charles Darwin do on the HMS Beagle?

7. What does a Swedish DNA study reveal about the origins of modern man?

8. Describe the Indonesian volcanic eruption of 1815.

9. Describe the layer of atmosphere called the troposphere.

10. How many elements occur naturally on Earth? How many are central to life?

(see the answer keys)

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