Gymnosperms · Botany

Which statement best summarizes the ecological importance of gymnosperms?

  1. They occur only as microscopic aquatic organisms
  2. They are completely and permanently absent from all terrestrial ecosystems worldwide
  3. They form major forests, store carbon, provide habitats, and protect soils
  4. They produce no biomass and have no role in food webs
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Correct answer: They form major forests, store carbon, provide habitats, and protect soils

Gymnosperms, especially conifers, form extensive forests in boreal, temperate, and mountain regions. These forests store carbon, support biodiversity, regulate water cycles, and reduce soil erosion.

Difficulty: Medium Question 20 of 40

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