Origin of autotrophicauto- + trophic
The definition of autotrophic is capable of making its own food supply using inorganic materials and photosynthesis or chemosynthesis.
Moss and algae are both an example of something that is autotrophic.
making its own food by photosynthesis, as a green plant does, or by chemosynthesis, as any of certain bacteria do
auto- + -trophic