Question

define hetrotropism.

Answer 1

if u mean hydrotropism, then there is your answer:-

the growth or turning of plant roots towards or away from moisture.

Answer 2

Hey!!

Heterotropism or Hydrotropism is a movement or growth in plants in relation to the stimulus of water .

Roots always shows positive hydrotropism as they move towards the water while stems always shows negative hydrotropism as they moves away from the water.