| A | B |
| biogeography | the study of where organisms live |
| continental drift | the very slow motion of the continents |
| dispersal | the movement of organisms from one place to another |
| exotic species | specied introduced to an area by humans |
| climate | typical weather pattern in an area over a long period of time |
| limits to dispersal | physical barriers, competition, and climate |
| means of dispersal | wind, water, and other living things |
| Pangea | when all of the continents were one large land mass 225 million years ago |