Photosynthesis | Respiration |
In photosynthesis, carbon dioxide and water combine to form glucose in the presence of sunlight. | In respiration, glucose is broken down into carbon dioxide and water with the help of respiratory enzymes. |
It occurs in green plants only. | In occurs in all organisms. |
In photosynthesis, energy is consumed. | In respiration, energy is released. |
It takes place during the daytime. | It takes place throughout the day. |