| A | B |
|---|
| mutation | accidental change in dna |
| symbiosis | close, long term relationship betw 2 org's |
| invasive | species introduced without limiting factors |
| artificial selection | 20 varieties of tomatoes today |
| autotroph | ability to perform photosynthesis or chemosynthesis |
| niche | describes the use of resources and functional role in a community |
| artificial | selection conducted under human control |
| darwin | proposed natural selection |
| background | gradual extinction |
| coevolution | hummingbird and flower develop in response to each other |
| mitochondria | cellular respiration occurs here |
| pioneer | species to first colonize an area |
| climax | stable community |
| secondary succession | follows a forest fire |
| extinction | this will occur if the environment changes to quickly for the org to adapt |
| realized | niche restricted by competition |
| herbivory | deer browsing on shrubs |
| specialist | species with restricted tolerance for environmental conditions |
| keystone | species with a strong or wide reaching impact on a community |
| Cane Toad | brought to control beetles |
