Question

what is difference between fragmentationand regeneration

Answer 1

Fragmentation:
1. This occurs in multicellular organisms with simple body organisation.
2. In fragmentation, an organism breaks into pieces and each piece develops into a new individual.
3. No specialised cells are involved in fragmentation.
4. Example: Spirogyra.

Regeneration :
1. This occurs in fully differentiated multicellular organisms with complex body organisation.
2. In regeneration, organism breaks into pieces, each piece may or may not develop into a new individual.
3. In regeneration, specialised cells proliferate and form mass of cells. The cells form the new differentiate to form different cell type and tissue.
4. Example: Regeneration of blood cell in mammals, tails in lizards.

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Answer 2

regeneration is a process of generating lost parts. some power of regernation is found in all living organisms.for examples-healing of wound in our body is also regeneration. fragmantation an
individual breaks up into two parts or
fragments by some physical force like wind,water,rain and each fragment grows into a new individual for ex-spirogya