(a) Explain the process of regeneration in Planaria. (b) How is regeneration different from reproduction?
Regeneration in Planaria
Regeneration is the process in Planaria, by which any part of the body if cut, is capable of developing into a complete organism. Regeneration is carried out by specialized cells. These cells proliferate and make large numbers of cells and from this mass of cells, different cells undergo changes to become various cell types and tissues. These changes take place in an organized sequence referred to as development and finally lead to the development of a complete organism.
b.
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Regeneration |
Reproduction |
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1. It is a type of asexual mode of reproduction in which only single parent is involved |
1. It includes both sexual and asexual mode of reproduction in which either single parent or both the parents are involved respectively. |
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2. This mode of reproduction depends on the fact that the organism needs to be cut in order to regenerate. |
2. This mode of reproduction is not dependent on cut. |
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Example- Planaria |
Example- Sexual reproduction in humans |
