| A | B |
|---|
| Darwin | wrote the theory of natural selection |
| Lamarck | acquired characteristics are passed on |
| Beagle | the boat which Darwin was a naturalist |
| species | an interbreeding organism, distinct from others |
| natural selection | survival of the fittest |
| vestigial organs | reminants of previously used organs/ structures |
| gradualism | when evolution happens slowly with small changes over a long period of time |
| punctuated equilibrium | a quick change that alters a population |
| gene pool | all of the alleles available to a species |
| fitness | the ability to survive AND reproduce |
| speciation | the process of becoming a new species |
| stabilizing selection | when the AVERAGE in a population are selected FOR |
| disruptive selection | when the EXTREMES are selected for and the AVERAGE die out |
| directional selection | when one extreme is selected for and the others die out |
| divergent evolution | when one species splits into many (finches, bears) |
| convergent evolution | when two different species become more similar (whales and sharks) |
| industrial melanism | the process by which the darker moths became selected FOR |
| homologous structures | same structure w/ different functions (flipper and arm) |
| mutation | slight changes in an organisms DNA |
| extinction | when a species no longer exists |
| population | a group of one species living together |
