Taxonomy and systematics · NCERT Biology

Early classifications of organisms were primarily based on:

  1. The cell wall composition of the organisms
  2. The genetic and molecular similarities of species
  3. The uses of organisms for food, clothing, and shelter
  4. The natural habitat and geographic distribution
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Correct answer: The uses of organisms for food, clothing, and shelter

In early human history, classification was driven by necessity. Organisms were grouped based on their utility to humans for basic survival needs like food, shelter, and clothing.

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