Answer :
Autotrophs.
An organism
like a green plant that can make its own food are called an autotrophs. Autotrophs
can make their own food through the process of photosynthesis. Photosynthesis is
present in these organisms, a mechanism where they gather, water from the soil,
heat from the sunlight though the pigment called chlorophyll and carbon dioxide
in the air to manufacture and generate its own food. Autotrophs are also the
primary sources of food in the food chain which contains immense amount of
calories.