DAT Ecology Practice Exam

Which biome is dominated by coniferous forests with cold winters and snowy precipitation?

Tundra Deserts Temperate deciduous forests Taiga

Correct Answer:

Taiga

Explanation:

Conifers dominating a landscape with cold winters and snowy precipitation point to the taiga, also known as the boreal forest. In this biome, long, harsh winters and short, cool summers prevail, and most precipitation falls as snow. Evergreen conifers like pines, spruces, and firs dominate, with needle-like leaves and flexible branches that shed heavy snow and conserve water. Soils tend to be acidic and nutrient-poor because cold conditions slow decomposition. The tundra, while cold and snowy, lacks tall trees; deserts are dry, and temperate deciduous forests have broadleaf trees and milder seasonal patterns, not the conifer-dominated forests of the taiga.

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