| A | B |
| canopy | dense covering formed by the uppermost branches of trees |
| grassland | biome in which the primary plant life is grass |
| desert | biome characterized by a very dry climate |
| deciduous | tree that has adapted to winter temperatures by dropping its leaves and going dormant during the cold season |
| coniferous | tree that retains its needles year-round and reproduces with cones |
| taiga | biome with long and cold winters, lasting up to six months; also called a boreal forest |
| tundra | biome found at far northern latitudes where winters last as long as ten months a year |
| chaparral | biome characterized by hot, dry summers and cool, moist winters; also called Mediterranean shrubland |