 Solid earth, it's home to a wide variety of the Earth's species. It comes in all different kinds of shapes and sizes - from the frozen tundra to the desert.
Different types of environments are called biomes. Biomes share climate, and plant and animal life. Land biomes include:
Tundra - Find out about life in one of the worlds harshest environments.
Taiga - Cold in the winter and warm in the summer, the taiga is the world's largest land biome.
Temperate/Deciduous Forests - Organisms in temperate deciduous forest must be able to adapt to four distinct seasons.
Grasslands- Grasslands cover one quarter of the Earth's land area.
Rainforests - Whether they are temperate or tropical all rainforests have one thing in common -- lots of rain!
Deserts - Deserts are the most extreme of the land biomes and they can be hot or cold! | 
... that there are cold and hot deserts.
Learn more about some of the animals found in grasslands, deserts, the taiga and the tundra.