Autotrophic-a life style with photosynthetic pigments, which can produce organic nutrients needed for its own growth through photosynthesis. Heterotrophication-a lifestyle that grows without photosynthetic pigments by absorbing organic nutrients made by other green plants.

2. Differences in characteristics

The obvious feature of autotrophs is that they can synthesize organic matter for their own life activities without consuming ready-made organic matter. At the same time, it provides a large amount of organic matter for consumers (organisms that can't synthesize organic matter by themselves, but can only maintain their own life activities by consuming ready-made organic matter) and decomposers (organisms that need to decompose organic matter to maintain their own life activities).

3. Classification differences

Heterotrophication is autotrophic; Plants are basically autotrophic and animals are basically heterotrophic. Heterotrophication includes growth, parasitism and saprophy.

Extended data:

The appearance and survival of autotrophs in nature not only provide consumers and decomposers with a lot of organic matter, but also play an important role in maintaining the stability of carbon cycle and nitrogen cycle in nature. If there were no autotrophs, the carbon cycle and nitrogen cycle in our nature would not be balanced, and all living things in nature would not survive until now.

Baidu encyclopedia-autotrophic

Baidu encyclopedia-heterotrophic