Which process does a plant need energy to perfom?

Photosynthesis

Explanation:

A plant can get energy from water, the sun, carbon dioxide.

Chlorophyll can make food the plant can use from water, the sun, etc.

This process is called photosynthesis.

If you have any questions feel free to ask in the comments.

Positive Geotrophism is referring to the plant’s angle leading to the roots growing downward into the soil. Negative Geotrophism is referring to the plant’s leaves moving away from the earth, up towards the sun in order to receive substantial sunlight.