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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. What helped scientists start accepting the idea of ice ages?
(a) An exploration of Antarctica.
(b) A scientific expedition to Greenland.
(c) A scientific evaluation of changing weather patterns.
(d) An analysis of Siberian winters.

2. Who was the first person to describe a cell?
(a) Robert Hooke.
(b) Matthias Jakob Schleiden.
(c) Theodor Schwann.
(d) Van Leeuwenhoek.

3. Species appear to exist, on average, how long?
(a) 4 million years.
(b) 12 thousand years.
(c) 9 billion years.
(d) 780 thousand years.

4. Approximately how many okapi live in the rain forests of Zaire?
(a) 12,000.
(b) 30,000.
(c) 400,000.
(d) 1,340,000.

5. If all of the ice in Antarctica were to melt, by how much would ocean levels rise?
(a) 200 feet.
(b) 920 feet.
(c) 50 feet.
(d) 12 feet.

6. How deep is Earth's atmosphere?
(a) 30 miles.
(b) 5 miles.
(c) 120 miles.
(d) 800 miles.

7. What is the highest elevation that humans are able to live and survive on Earth continuously without special accommodations?
(a) 27,000 feet.
(b) 22,000 feet.
(c) 14,000 feet.
(d) 18,000 feet.

8. The author mentions the case of bacteria surviving for two years in a sealed camera lens where?
(a) In an underground cave.
(b) Moon's surface.
(c) Under the sea.
(d) Atop Mount Everest.

9. The troposphere is the layer of atmosphere:
(a) Just above the highest clouds.
(b) Closest to the ground.
(c) That is coldest.
(d) Farthest away.

10. Gregor Mendel, who conducted research on transmittal of traits in pea plants, was a scientist and a:
(a) Politician.
(b) Soldier.
(c) Blacksmith.
(d) Monk.

11. What is the name of the Navy-funded mini submarine often used in undersea explorations?
(a) Levi.
(b) Alvin.
(c) Chuck.
(d) Chauncy.

12. What percentage of a person's genes are shared with all other humans?
(a) 80.5.
(b) 65.7.
(c) 72.8.
(d) 99.9.

13. What organisms does the author say are the most enduring inhabitants of our planet?
(a) Humans.
(b) Bacteria.
(c) Fungi.
(d) Spiders.

14. Only one out of how many bones is ever fossilized?
(a) A billion.
(b) Five million.
(c) A hundred.
(d) Fifty thousand.

15. The first hand axe was shaped with a stone how many years ago?
(a) 320 thousand.
(b) 10 thousand.
(c) 9.8 million.
(d) 1.5 million.

Short Answer Questions

1. Ice ages are caused by:

2. What is the current estimate of the number of species that have lived on Earth since the beginning of life on our planet?

3. What must amino acids do to become protein?

4. How did humans become dispersed across the planet?

5. Before Charles Darwin wrote his famous book about natural selection, he spent eight years writing about what?

(see the answer keys)

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