Animals, plants, fungi, and some bacteria produce carbon during respiration. Respiration is a metabolic process that occurs in living organisms, where they break down organic molecules to release energy. During this process, carbon dioxide (CO2) is produced as a byproduct. Animals, plants, fungi, and certain bacteria all undergo respiration, and therefore, they all produce carbon in the form of CO2. Hence, the statement "Animals, plants, fungi, and some bacteria produce Carbon during respiration" is true.