Changes

A growth response to light.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. ApologiaEducational Ministries, Inc. 1998</ref>. Plants are phototropic because they grow by using [[Photosynthesis|photosynthesis]] to synthesize glucose from sunlight, [[Carbon dioxide|CO₂]], and [[water]]. In general, many plants will "bend" toward the light source.