Answer:The producers, who manufacture their own food through photosynthesis or chemo synthesis, are at the bottom of the pyramid. The second level is made up of herbivores, or principal consumers. In the following portions of the pyramid, secondary and tertiary consumers, omnivores and carnivores, are found.
Explanation:
Living things get energy/food from the sun through a process called Photosynthesis
it's the process by which living organisms manufacture food in the present of sunlight, oxygen and some other vital nutrients.that is Carbon dioxide etc
