The picture below shows a food pyramid. The organisms at the second trophic level get food by taking in —. A.sugars, produced when light energy is converted into chemical energy during photosynthesis. B.light, produced when sunlight shines on them so they can make their own energy. C.sugars, produced when the digestive systems of organisms in the first trophic level undergo respiration. D.meat, produced when the digestive system of organisms in the third trophic level break down food.
