Transparency Master – Fossil Evidence 1. Give 4 types of fossils. 2. Which parts of an organism are usually fossilized? Use the illustration of the lakebed below to answer the following questions. 3. What kind of rock are the layers shown most likely to be? 4. Which fossil is probably older, A or C? 5. Which fossil is probably the most recent, B or C? 6. What facts about fossils did you use to answer questions 4 and 5? 7. What is one problem with this type of evidence?