UPSC CDS GS Geography Questions Part 2

Both the statements are individually true but Statement II is not the correct explanation of Statement I. In Tundra climate, biodiversity is comparatively less. In the tundra, very few plants grow due to the lack of nutrients and because the ground is frozen beneath the top layer of soil. The only vegetation that grows there are shrubs, sedges, mosses, lichens, grasses, and a couple of birch trees and willow trees. There are only 48 different species of land mammals in the tundra. Tundra climate has less reproductive warm period.