The picture shows a leaf found on an autotrophic plant.%0D%0A%0D%0A%0D%0A%0D%0AThe cells in this leaf are making their own energy by the process of%0D%0A%0D%0A a%0D%0Aphotosynthesis, where glucose and oxygen at Q and R are taken in and then converted into water vapor and thermal energy at S and T.%0D%0A b%0D%0Arespiration, where oxygen and sunlight at Q and R are taken in and then converted into carbon dioxide and glucose at S and T.%0D%0A c%0D%0Aphotosynthesis, where carbon dioxide and sunlight at Q and R are taken in and then converted into glucose and oxygen at S and T.%0D%0A d%0D%0Arespiration, where carbon dioxide and oxygen at Q and R are taken in and then converted into thermal energy and methane gas at S and T.