define phototropism,hydrotropism,chemotropism

Asked by  | 23rd Jun, 2008, 03:45: PM

Expert Answer:

Phototropism, movement or growth in response to lights or colors of light

  • Hydrotropism, movement or growth in response to moisture or water
  • Chemotropism, movement or growth in response to chemicals
  • Answered by  | 23rd Jun, 2008, 08:52: PM

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