Humus is ....... in nature.

Raw material for decomposition represented by dead organic matter is

In the given statements, select the correct option for the process of decomposition.
$(1)$ Moist environment favours decomposition.
$(2)$ Low temperature and anaerobiosis inhibit decomposition.
$(3)$ Decomposition is slower, if detritus is rich in nitrogen.
$(4)$ Decomposition is quicker if detritus is rich in chitin.
$(5)$ Warm environment favours decomposition.

Which one of the following processes during decomposition is correctly described?

Which of the following processes helps in nutrient conservation?

Identify the organisms that initiate the detritus food chain or food web.