Q.

The decomposers in an ecosystem:

1 convert inorganic material to simpler forms.  
2 convert organic material to inorganic forms.  
3 convert inorganic materials into organic compounds.  
4 do not break down organic compounds.  

Ans.

(2)

Decomposers in an ecosystem transform organic material into inorganic forms, which are then reused by plants in the soil. Decomposers eat dead bodies, waste products, and organisms.