| 1) | List four contributions that the study of fossils have made to History of Life. | 
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| 2) | What is the chemical make up of the following hard parts of organisms? | 
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|  | A) Vertebrate bone | 
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	|  | B) Clam shell | 
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	|  | C) Diatoms | 
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| 3) | What processes can destroy a fossil that has survived millions of years in rocks and is buried deep below the surface? | 
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| 4) | What is amber? What types of fossils are commonly preserved in it? | 
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| 5) | Do the La Brea Tar Pits contain an unbiased sample of a fossil community? Why or why not? | 
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| 6) | Name two reasons why the Burgess Shale is a unique fossil assemblage. | 
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| 7) | Match the person with a contribution to the study of geology. | 
	|  | | A. Nicolas Steno B. William Smith
 C. Georges Cuvier
 D. James Hutton
 
 | 1. present is key to the past 2. fossils represent extinct organisms
 3. rock layers represent time
 4. fossils limited to distinct rock layers
 
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| 8) | What are trace fossils? | 
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| 9) | Match the following process with a likely outcome. | 
	|  | | A. Predation B. Diagenesis
 C. Collection
 D. Event-related death
 
 | 1. complete skeletal perservation 2. broken fossils
 3. recrystalization
 4. loss of environmental data
 
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| 10) | What is the most likely record of an ancient octopus? | 
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