Answer: Photosynthesis.
Explanation: Photosynthesis can be defined as the process by which autotrophs synthesize food( glucose) from the carbon dioxide and water in the presence of sunlight.
The food that is produced by plants is used by plants for various types of the metabolic processes that takes place in the plant body.
This process only takes place in plants and it does not occurs in animals.Rest processes like cellular respiration, consumption of glucose and metabolic reaction takes place in both the plant and animal cell.