what is regeneration? explain with example.

Regeneration means renewal, restoration, and growth. The process of getting back a full organism from its body parts is called regeneration. Some organism like Hydra, Planaria have the capability of to develop a whole new organism from it cut body parts. Regeneration of an organism occurs by the process of growth and development. Regeneration occurs in those organisms which have relatively simple body organization consisting of few specialized cells.


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Some organisms can regrow damaged or lost body parts like a starfish. Regeneration is the process that uses cell division to regrow body parts.Regeneration is the ability to replace damaged or missing body parts. For example, once an Elk looses its antlers, each year, they grow new ones.

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 In biologyregeneration is the process of renewal, restoration, and growth that makes genomescellsorgansorganisms, andecosystems resilient to natural fluctuations or events that cause disturbance or damage. Every species is capable of regeneration, frombacteria to humans.[1][2] Regeneration can either be complete[3] were the new tissue is the same as the lost tissue,[3] or incomplete[4]were after the necrotic tissue comes fibrosis.[4] At its most elementary level, regeneration is mediated by the molecular processes of DNA synthesis.[5][6] Regeneration in biology, however, mainly refers to the morphogenic processes that characterize the phenotypic plasticityof traits allowing multi-cellular organisms to repair and maintain the integrity of their physiological and morphological states. Above the genetic level, regeneration is fundamentally regulated by asexual cellular processes.[7] Regeneration is different from reproduction. For example, hydra perform regeneration but reproduce by the method of budding.

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