| A | B |
| biome | a large land ecosystem (area) that has certain types of plants and animals |
| taiga | a biome with coniferous trees and moderate rainfall |
| coniferous | a type of tree that has CONES (like pinecones) |
| tundra | a biome that has cold temperatures and low precipitation |
| precipitation | rain, snow, sleet or hail, etc. |
| tropical rain forest | a biome with lots of sun and rain, and lots and lots of plant life |
| grassland | a biome with a lot of grass, not a lot of trees, and some rain |
| desert | a biome with low rainfall and not a lot of plants |
| lake | a freshwater ecosystem with still (not flowing) water |
| wetland | a freshwater ecosystem with land and freshwater |
| marsh | a kind of wetland with mostly grass |
| swamp | a type of wetland with mostly trees and bushes |
| bog | a kind of wetland with mostly moss (like sphagnum moss!) |
| river | a freshwater ecosystem with flowing water |
| shoreline | an ecosystem where the land goes up to the ocean |
| coastal ocean | a saltwater ecosystem close to the land (coast!) with lots of sea life |
| open ocean | a large, deep saltwater ecosystem, away from land, with lots of floating and swimming plants and animals |
| biodiversity | different-ness of all the organisms (plants and animals) in an ecosystem (or on the earth) |
| endangered | in danger of becoming extinct |
| extinct | no longer living as a species |