The organisms which do not prepare their own food and depend on the dead organisms are called_____________________?

Its not parasite, its saprophytes.
Saprophytes are a plant, fungus, or microorganism that lives on dead or decaying organic matter.
Parasite is an organism that lives on or in an organism of another species, known as the host, from the body of which it obtains nutriment.

The organisms which do not prepare their own food and depend on the dead organisms are called ,,,,heterotrophs

answer is not correct. Right answer is saprotropes

I think it should be saprophyte,,,because parasite always feed on living host

And of this McQ is saprophyte