The plants growing high in the tree canopy send out roots. the roots are searching for water vapor in the humid air of the forest. this response that aerial plants find water is called

The answer that would best complete the given statement above is the term EVAPOTRANSPIRATION. As the plants grow high in the tree canopy and send out roots, these roots search for water vapor in the humid air, and this response that helps aerial plants find water is called evapotranspiration. Hope this helps.