| A | B |
|---|
| analogous | features serve identical functions and look somewhat alike |
| vestigial | apparently useless features |
| conserved | genes that have remained unchanged |
| coevolution | the change of 2 or more species in close association with each other |
| convergent evolution | occurs when the environment selects similar phenotypes |
| divergent evolution | 2 or more related populations or species become more and more dissimilar |
| adaptive radiation | many related species evolove from a single ancestral species |
| artificial selection | breeding of organisms by humans for specifis phenotupic characteristics |
