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Question

Anthropogenic actions that leads to evolution is the use of

  1. Herbicides  
  2. Pesticides  
  3. Antibiotics  
  4. All of these  

The correct answer is: All of these


    Excess use of herbicides, pesticides, etc., has only resulted in the selection of resistant varieties in a much lesser time scale. This is also true for microbes against, which we employ antibiotics or drugs. Hence, resistant organisms/cells are appearing in a time scale of month or years and not centuries. These are the examples of evolution by anthropogenic action. This also tells us that evolution is not a directed process in the sense of determinism. It is a stochastic process based on the chance events in nature and chance mutation in that organisms

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