| A | B |
|---|
| tropical rain forest | biome where there is a great deal of rainfall and high temperatures year round |
| grassland | biome characterized by few trees and many grasses |
| temperate deciduous forest | forest biome characterized by trees that lose their leaves each year |
| biome | large geographic region with a particular kind of climate and community |
| permafrost | permanently frozen ground |
| freshwater biome | water biome that has a low saltwater content |
| tundra | the coldest and most northern biome; animals go south for the winter--ducks, geese; animals that burrow--lemmings and voles |
| desert | biome with little rainfall and usually high daytime temperatures |
| saltwater biome | a water biome that has a high salt content |
| plankton | microscopic, free-floating organisms that serve as food for larger organisms |
| taiga | forest biome just south of the tundra, characterized by conifers |
| estuary | a location where fresh water from rivers or streams mix with saltwater from the ocean |
