The difference between fragmentation and regeneration is quite obvious in their respective names. Fragmentation occurs when an organism literally breaks off from itself. The broken fragments of the organism grow into individual separate organisms. On the other hand, regeneration is a form of asexual reproduction where the organism is capable of regrowing certain parts of its body when it loses them. Octopi, for instance, can regrow their arms when a predator bites them off.
Difference Between Fragmentation and Regeneration
Regeneration is termed as an asexual mode of reproduction. It is common in unicellular organisms and lower multicellular organisms, such as planaria. Here, the organism fragments when it’s ready to reproduce, and new organisms are regenerated from these fragmented parts. The difference between regeneration and fragmentation are summarized below:
| Difference Between Fragmentation and Regeneration | |
|---|---|
| Fragmentation | Regeneration |
| Organisms that are fragmented result in each fragment growing into an individual organism | Regeneration occurs when an organism only regrows a lost limb or any other part of the body. |
| A new individual emerges from each fragment | No new organisms are formed |
| Only a few organisms can fragment and form new individuals | All organisms exhibit the ability to regenerate (Only to some degree) |
| Fragmentation is observed in organisms such as flatworms and sponges | Lizards can regenerate their amputated tails |
Conclusion:
Fragmentation is a method of asexual reproduction where an organism reproduces by the process of splitting into fragments and each fragment grows into an individual organism. Regeneration, on the other hand, happens when an organism regrows certain parts or limbs which is lost due to predation.
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Related Links:
| Binary Fission |
| Chromosome |
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What is the difference between fragmentation and true regeneration?
Fragmentation is the splitting of organisms into several parts where each part grows into an individual organism.
The process where each part grows into a new individual is called true regeneration.
Thus we can say that fragmentation precedes true regeneration. For eg., hydra
On the contrary, regeneration is the process of regrowing only a damaged or lost body part, instead of the entire organism. For eg. regeneration of the tail of a lizard.
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