As a plant grows toward the sunlight to gain maximum energy through photosynthesis, it is responding to a external stimulus
why?

What is the relation ship between structure and function in an organism

How does a lytic infection differ from a lysogenic infection?

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.