​Food Chain & Environment

  • The concept of the food chain was introduced by scientist Al-Jahiz in the 10th century.
  • In 1927, Charles Elton wrote a book on the concept of food webs, based on Al-Jahiz's ideas.
  • The whale, the largest animal on Earth, survives entirely by consuming krill, tiny marine organisms.
  • The term "apex predator" was first used around 1970, referring to animals at the top of the food chain.
  • Only about 10% of the energy at one trophic level transfers to the next, while energy and nutrients flow from lower to higher levels.
  • Jadav Payeng, known as the "Forest Man of India," was born in a tribal ....
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