Explain the term "Regeneration" as used in relation to the reproduction of the organism. Describe briefly how regeneration is carried out in multicellular organism like Hydra.
Regeneration :
It is the process in which organisms develops their broken parts on pieces.
In Hydra, if the body is cut into pieces, the lower part will develop upper parts, while the upper part will develop lower part.
It is explained by the diagram given below: