Trees are Not Usually Found in the Tundra Biome Because

Question

Trees are not usually found in the tundra biome because of
A) insufficient annual precipitation.
B) acidic soils.
C) extreme winter temperatures.
D) overbrowsing by musk ox and caribou.
E) permafrost.

Accepted Answer

Trees are not able to grow in tundra biome because of the presence of permafrost, which is a layer of permanently frozen soil, preventing the growth of deep roots. The shallow root system cannot provide enough support to trees, making it difficult to survive in the harsh tundra environment.