Biomes · Botany

Why are large trees generally absent from the tundra biome?

  1. Permafrost and short growing seasons restrict deep root growth
  2. Average annual rainfall is always higher than in tropical rainforests
  3. The soil contains unlimited nutrients for root growth
  4. The biome experiences year-round tropical heat and humidity
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Correct answer: Permafrost and short growing seasons restrict deep root growth

Permafrost prevents deep root penetration, and the growing season is very short. These conditions make it difficult for large trees to establish and survive.

Difficulty: Medium Question 9 of 20

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