Question

what are autotropic organisms?

Answer 1

any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists

Answer 2

Here is your answer.......

Organisms which make their own food and does not depend on others for food. They use raw materials available in our environment to make food.
E.x: green algae etc.

Hope it helped you Friend :-)