What kinds of foliage might you find in the polar zone

In the Arctic, growing conditions for vegetation  vary greatly. In the southern parts of the Arctic, plant communities can be vigorous with small trees and stands of low growing shrubs.

The further north one travels, the shorter and more sparse the ground cover becomes until in the high Arctic, which is a true desert. Here, the plants are scattered across stony ground and the most numerous plants are the lichens. Also here the carpet of flowers are only found below bird cliffs or other areas of high fertility.

cell regulation is conducted by special proteins.

d. groundwater flows through the subsoil and deposits minerals.