click below
click below
Normal Size Small Size show me how
10. Evolution
Evidences of evolution
| Term | Definition |
|---|---|
| fossil record | the history of life in the geologic past as indicated by the traces or remains of living things |
| biogeography | the study of the geographical distribution of living organisms and fossils on Earth |
| homologies | describes a trait that is shared by a group of species because it is inherited from a common ancestor |
| anatomical homology | body part that is similar in structure on different organisms |
| molecular homology | DNA, amino acids, or proteins that are the same in different organisms |
| developmental homology | stages of embryonic development are the same in different organisms |
| cladogram / phylogenic trees | a branching diagram that shows how organisms are related through evolution |