The bacteria that attack dead organic matter are:

What is common in earthworm,soil mites and dung beetle in an ecosystem?

Which of the following statements is true regarding humus?
$(P)$ It contains colloids.
$(Q)$ It contains nutrients.
$(R)$ Its decomposition is not possible.

The breakdown of detritus into small particles by detritivores is called

Which of the following plays a role in mineralization or humification?

Humus is found in