Make sure you post the picture of the tree, so I can answer.
The answer to this question is "PERCEPTION". The term refers to the mental capacity that process of sorting out things, interpreting things mentally, analyzing things and conditions, and integrating stimuli from the sense organs and from the brain and later come up in a concrete and the sensible result after mental processing.
Answer:
an energy source during cellular respiration
Explanation:
plant growth. you can create a hypothesis like "the plant grows better in blue light! "