What is the main reason that the tundra does not have large plants?
A) The seeds of large plants were never dispersed into these regions.
B) The amount of sunlight is not great enough for large plants to survive.
C) The amount of rainfall is not enough for large plants to survive.
D) The other species of plants have outcompeted them for resources.
E) The permafrost persists, even during the summer.

Question

Quizplus · Accepted Answer

The main reason the tundra does not have large plants is due to the presence of permafrost, which is a layer of permanently frozen subsoil. This condition severely limits the depth of soil available for root growth, making it difficult for large plants to establish and survive.

What Is the Main Reason That the Tundra Does Not