| − | A growth response to light<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia | + | A growth response to light.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia |
| − | Educational Ministries, Inc. 1998</ref>. Plants are phototropic because they grow by using [[Photosynthesis|photosynthesis]] to synthesize glucose from sunlight, [[Carbon dioxide|CO<sub>2</sub>]], and [[water]]. In general, many plants will "bend" toward the light source. | + | Educational Ministries, Inc. 1998</ref> Plants are phototropic because they grow by using [[photosynthesis]] to synthesize glucose from sunlight, [[Carbon dioxide|CO<sub>2</sub>]], and [[water]]. In general, many plants will "bend" toward the light source. |