What is the most direct benefit that humans derive from biodiversity?

What is the most direct benefit that humans derive from biodiversity?
  1. Industrial products
  2. Construction material
  3. Products of medicinal importance
  4. Firewood

Solution

25% of the drugs currently sold in the market worldwide are derived from plants and 25,000 species of plants contribute to the traditional medicines used by native peoples around the world.

Asked in: NCERT

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