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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. In a cell, what is the cytoplasm?
(a) Contents of the cell outside the nucleus.
(b) The nucleus.
(c) DNA inside each cell.
(d) Outer fatty casing.

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

3. The skeleton "Lucy" found in Ethiopia in 1974 is thought to come from the hominid species:
(a) Sahelanthropus tchadensis.
(b) Homo habilis.
(c) Australopithecines.
(d) Kenyanthropus platyops.

4. Regarding species that have gone extinct, scientists generally:
(a) Know exactly how species died.
(b) Blame the extinction on climate changes.
(c) Do not know what killed off species.
(d) Attribute mass extinctions to volcanoes.

5. Trilobites are fossils of what?
(a) Marine creatures.
(b) Flying dinosaurs.
(c) Leafy ferns.
(d) Spiky cacti.

Short Answer Questions

1. At this time, how many plant and animal species are becoming extinct per week?

2. Which of the following is not a DNA component?

3. Alan Thorne's multiregional hypothesis asserts that modern man evolved from:

4. Who was Robert Fitzroy?

5. In what year did Charles Darwin publish his famous book on natural selection called "On The Origin Of Species"?

Short Essay Questions

1. What is the water distribution across the world's major oceans?

2. What does Bryson caution regarding extinction?

3. How much of Earth's land is suitable for humans to live on?

4. What does the author say about oxygen and the highest elevations people can live at?

5. How long do human cells live?

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

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

8. What does the author say about radioactive waste being dumped into oceans?

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

10. Describe the presence of bacteria in humans.

(see the answer keys)

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