Answer:
Algae, Plants, some bacteria and some protists.
Explanation:
Organisms which make their own food through the process of photosynthesis are called autotrophs. Members of the kingdom Monera as unicellular, prokaryotes. Examples are eubacteria and archaea. Some bacteria have the capability to make their own food through photosynthesis. Some members of the kingdom Protista such as various types of algae, diatoms, dinoflagellates are autotrophs. All the green plants have chlorophyll which make their own food through photosynthesis are autotrophs.