| 1) | List the Linnaeus organization scheme from top to bottom |
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| 2) | What are the three main subdivisions of life? |
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| 3) | What is a coelom? What is it evolutionary significance? |
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| 4) | What is neoteny? Give three possible examples of neoteny |
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| 5) | Why is neoteny important as a evolutionary process? |
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| 6) | Why are sponges (P. Porifera) not considered "true animals"? |
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| 7) | Why do most sessile organisms have a free swimming stage in their life? |
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| 8) | What evolutionary advances do flatworms (P. Platyhelminthes) show over other primitive animals? |
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| 9) | Trilobites are member of which phyla? When were they around in geologic time? |
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| 10) | Dinosaurs are members of which phyla? How long has this phyla been recognized in geologic time? |
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| 11) | Match the organism with the most likely fossil produced. |
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A. Protista
B. Anelida
C. Cnidaria
D. Mollusca
E. Plantia
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1. limestone reef
2. leaf impressions
3. paired shells
4. trace fossils
5. microfossils
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| 12) | Name two Protisa organisms that produce fossils. |
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| 13) | What did Lamarck envision was the mechanism behind evolution? |
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| 14) | What was Darwin's main contribution to the theory of evolution? |
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| 15) | List three factors that control the rate of evolution. |
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| 16) | What is a primary control on whether "normal" or explosive evolution occurs. |
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| 17) | The physical characteristics shared by whales, tuna, and pengiuns is an example of what type of evolution? |
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| 18) | Why is the Cambrian explosion an important time in history of life. |
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| 19) | List two primary causes of extinctions. |
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