1. The Fossil Record

2. Evidence of Evolution
Fossil Record provides evidence that living things have _________
Fossils show the _________ of life on earth and how different groups of organisms have changed over time

3. Relative Dating
Performed by _____________ fossil age compared with that of other __________
The deeper it is, the _______________ it is.
Drawbacks – provides no info about age in ___________

4. Absolute Dating Can determine the absolute age in ______________
Is performed by ____________ __________ – based on the amount of remaining radioactive isotopes remain
Drawbacks - part of the fossil is _______________ during the test