The Nigerian federalism faces certain difficult problems including those related to census, revenue allocation, religious and inter-ethnic conflicts, allocation of public offices and the unequal distribution of wealth between different regions and between classes.

Anabolism and catabolism are the parts into which metabolism is divided. The anabolism is a synthesis reaction where energy is consumed. The catabolism is a decomposition reaction in which energy is released. Although they are two different processes, they work in a coordinated way.