Chapter: Reproduction in Animals.
Question: What is the difference between fragmentation and regeneration in animals. State at least two differences.
Answers
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Fragmentation is limited to invertebrate forms while regeneration is present in both vertebrates and invertebrates.
• Fragmentation is a method of reproduction (E.g. Star fish).
Regeneration can be used as a reproduction method (E.g. Star fish) or it
can be used to regenerate lost body parts (E.g. Lizards).
• In fragmentation, both parts produce new organisms while, in
regeneration, when it is not for reproduction, the separated part cannot
grow into a new organism.
• Regeneration is a modified form of fragmentation.
• Regeneration is more commonly seen in animals than in plants while
fragmentation is more commonly seen in plants than in animals (E.g.
Nonvascular plants).
• Fragmentation can be found only in certain organisms while various
forms of regeneration can be found in almost all the animals living on
the earth.
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