1. The Fossil Record Life Science Mr. P

2. Remember… Fossils are one piece of evidence for evolution

3. What are fossils? Fossils are naturally preserved remains, imprints, or traces of organisms that lived a long time ago A paleontologist is the person who studies fossils

4. When do fossils form? The animal or plant decomposes, leaving only the hard body structure

5. There are four types of fossils Molds Casts Trace Fossils Body Fossils

6. Mold Fossils Mold-imprints from a shell or skin of an animal

7. Cast Fossils Cast-when these molds are filled with minerals from groundwater

8. Trace Fossils Trace fossils are the remains of animals from the past, including footprints, bite marks, nests, and animal droppings

9. Body Fossil Complete organism is preserved, usually from being frozen, in amber, or in tar. Example: Jurassic Park “Mosquito”

11. Review What kind of fossil is this? A) Casts B) Molds C) Trace Fossils D) Body Fossils