Respuesta :
Correct answer: B). It occurs in producers
Breathing is known to be the biological function of the organism that allows the absorption of oxygen from the environment and release of carbon dioxide. It occurs in consumers as well as producers.
Photosynthesis only occurs in the plant also called as producers in which they prepare their own food with the help of carbon dioxide and water in the presence of sunlight.
Hence, the correct answer would be it occurs in Producers.