Multiple choice

The greatest diversity of animals and plants occurs in

  1. temperate deciduous forests

  2. tropical moist forests

  3. heavily polluted rivers

  4. desert lands
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Tropical moist forests (rainforests) harbor the greatest biodiversity of plant and animal species on Earth. The Amazon rainforest alone contains about 10% of all known species. The stable climate, abundant rainfall, and complex vertical structure create numerous ecological niches. Temperate forests, polluted rivers, and deserts have significantly lower biodiversity.

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