Download Fossils Note Guide Name

Fossils Note Guide
Name:__________________
1. What is a fossil?
2. Does a fossil have to be an animal? If not, what else can be a fossil?
3. What are the 2 conditions that increase the chance of an organism becoming a fossil?
4. How do fossils form?
A. Usually the organism dies and is ____________________________________________
B. The organism needs to be in a anaerobic environment. What does anaerobic mean?
______________________________________________________________________
C. The organism then slowly _______________ and leaves either a _____________ or has
minerals __________________________
Fossil Preservation Types:
5. What is a petrified fossil? Give an example too.
6. What does “precipitated” mean?
7. How is a petrified fossil different from a mineral replacement fossil?
8. What does permineralized mean?
9. Can scientists get any extra information from permineralized remains? Like what?
10. What is a mold fossil? Give an example of one.
12. What is a cast fossil? Give an example of one.
13. What is a carbonized fossil (carbon film)? Give an example.
14. What is an impression fossil? How is it different from a carbonized fossil?
15. Sometimes animals or plants with soft parts have been preserved. Some of these have been frozen,
some were found in tar pits and some were found in tree sap. What do we call fossilized tree sap?
16. What are some types of indirect fossils (trace fossils)?
17. What can trace fossils tell us that may not be evident by looking at other types of fossils? (Not in
notes – listen for answer)
18. What is the principle of fossil succession?
19. What is an index fossil? Give some examples.
20. Label the following pictures with the appropriate fossil type name:
Cast, Trace Fossil, Amber, Carbonization, Replacement, Petrified
A. _____________________
B. _________________
D. _____________________
E. ______________________
C. _________________
F. _________________