Question

Explain the process of regeneration in planaria.(All India - 2013)

Answer 1

1. first of all planaria get cutted into two pieces by itself or by other factors
2. the process in which it is been cutted and the cell in the part in which it is been cutted ,that cells poliferate and divides into many cells
3. different cells undergo changes to become various cell type and tissues
4. this changes take place in an organised sequence referred as development
5. then this part develops into separate individuals

Answer 2

Answer:

While fragmentation is the process of asexual reproduction where each fragment grows to become an individual organism, regeneration is the process when an organism regrows or regenerates a lost body part. ... Fragmentation is the process of breaking a piece of organism followed by cell division of mitosis.