Which of the following characteristics is unique to Arctic tundra?
A) Winters are long and cold.
B) The soil is underlain by a layer of permafrost.
C) Many small mammals hibernate in winter.
D) Many of the plants are perennials.
E) None of these characteristics apply to Arctic tundra.

Question

Quizplus · Accepted Answer

The soil in Arctic tundra is underlain by a layer of permafrost, which is permanently frozen soil. This is a unique characteristic of this ecosystem that distinguishes it from other biomes.

Which of the Following Characteristics Is Unique to Arctic Tundra