What are the difference between autotrophic

solution:
Autotrophic nutrition : The process through which organisms are able to build up their own organic food from raw materials which are obtained from outside, in the form of carbon dioxide and water in the presence of chlorophyll and sunlight. The organisms having autotrophic mode of nutrition or can make their own food are called autotrophs or autotrophic organisms.

e.g. Green plants and some bacteria.

Heterotrophic nutrition : Mode of nutrition in which the organisms derive their nutrition by taking readymade food from other dead or living plants and animals. The survival of heterotrophs depends directly or indirectly on autotrophs.

e.g. Animals, fungi and most of bacteria.