| A | B |
|---|
| adaptation | change in response to environment |
| evolution | change over long period of time |
| natural selection` | those with traits well suited to the environment survive and leave more offspring |
| vestigal structure | disappearing, no function |
| analogous structures | different structure, same function |
| embryology | study of similarities in developing embryos |
| population | group of organisms - same species, place and time |
| varation | difference |
| genepool | all the alleles in a population |
| antibiotics | medecine that kills bacteria |
| species | distinct form of life |
| homologous structure | same structure, different function |
| dichotomous key | tool that uses steps and traits to identify organism |
| classification | way organisms are grouped |
