The reason why there are no trees in the tundra is because the soil is permanently frozen. This is called the Permafrost.
The arctic tundra has poor soil
The tundra has permafrost because the soil in the tundra is very poor. This is why there are not many trees or plants that grow very tall in the tundra. Permafrost is the top layer of soil that is frozen. Obviously there's permafrost because in the tundra it is very cold and the soil is not very rich.
poor
Tundra is marked by a permanently frozen layer of soil called permafrost, which can be at considerable depth or just below the surface.
Permafrost.
The arctic tundra has poor soil
the tundra.
The tundra has permafrost because the soil in the tundra is very poor. This is why there are not many trees or plants that grow very tall in the tundra. Permafrost is the top layer of soil that is frozen. Obviously there's permafrost because in the tundra it is very cold and the soil is not very rich.
the soil is permafrost, and the soil is low in mineral
permafrost
poor
Tundra is marked by a permanently frozen layer of soil called permafrost, which can be at considerable depth or just below the surface.
The shrub is adapted to the tundra because it does not need soil.
very dry
tundra
Permafrost.
permafrost