_____ are the organisms having the ability to prepare their own food. 

Autotrophs are the organisms having the ability to prepare their own food. Plants are one and the only example of the organisms who can prepare their own food.

• Heterotrophs are organisms who are dependent on other organisms for food like human beings.
• Decomposers are the organisms help in the decomposition of biodegradable waste.
• Host are the green plants which provides nutrition to parasitic plants i.e. the plants which cannot prepare their own food like amarbel.