| A | B |
|---|
| biogeography | the study of where organisms live |
| continental drift | very slow motion of huge blocks of Earth's crust |
| dispersal | movement of organisms; limited by physical barriers, competition, climate |
| native species | organisms that naturally occur in an area |
| exotic species | an organism that moves into an area |
| climate | what determines the type of biome in an area |
| biome | a group of ecosystems with similar climates and organisms |
| hibernation | low-energy state similar to sleep |
| coniferous trees | produce seeds in cones, have needle-shaped leaves |
| deciduous trees | shed their leaves and grow new ones each year |
