The volvox an algae discharge duties of its own namely division of labour .Each group doing patch of work .This way of doing duties is suitable nowadays.If any head of the family is unable the other members share the assignment of work and complete the same
The garbage which is decomposable and non decomposable will be sort out and it will be turn out into manure which will be organic of no use it is decomposing slow practically and also kitchen waste is meagre again the earth worm which is formed in cluster from this decomposing manure harm the soil floor it erodes the surface and make a crack in building
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