Maggots feed on dead and decaying organisms for energy. what are maggots? autotrophs producers decomposers heterotrophs

I believe the correct answer from the choices listed above is the third option. Maggots feed on dead and decaying organisms for energy.  By this statement, we can say that they are decomposers. They are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.  

C. Decomposers I THINK THAT'S THE ANSWER

The process of a TEM is where cells and tissues must be cut into ultrathin slices before they can be examined under a microscope, as where the process of SEM, specimens do not have to be cut into ultrathin slices to be visualized.Hope this helps!!