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| Term | Definition |
|---|---|
| fossil | the remains of once living things |
| paleontology | the study of fossils |
| law of superposition | the oldest sediment must be laid down before the younger ones can pile on top |
| relative age | whether one fossil is older or younger than another fossil |
| absolute age | tells how long ago a fossil was formed |
| radiometric dating | the process uses the rate at which naturally occurring radioactive elements in rocks and fossils decay |
| fossil record | all fossils that exist |
| anatomy | the structure of plants and animals |
| embryology | the structure of animals before they are born |
| biogeography | the distribution of species on earth over the course of history |
| analogous structures | structures that serve the same purpose in different species but envolve differently |
| homologous structures | structures that are similar in development and their pattern within the organism |
| Terms | 12 |
| Creator | nrowland |
| Created | November 6, 2008 |
| Group | Mr R's Biology |
| Subject | evidence of evolution |
| Access | Anyone |
| Edit | Creator Only |