| A | B |
| tropical rainforst | biome that is home to most types of species |
| deciduous forest | biome with 4 seasons, found in eastern US |
| grassland | biome with small amount of rain and few trees |
| desert | biome that is very dry and hot during the day |
| tiaga | biome that is cold and receives little rain |
| tundra | very cold biome with limited food, water, and shelter areas |
| rivers | many species use water, but live on land |
| wetlands | partly covered with water all of the time of floods for part of year |
| coral reefs | the "busy cities" of the ocean |
| deep sea | cold and dark place for species that can live in high water pressure |