Question

write a short note on fragmentation class 10

Answer 1

The breaking up of a body of a simple multicellular organism into two or more pieces on maturing,each of which grows to form a complete new organism is called fragmentation. The filament simply breaks into two or more fragments on maturation and each fragment grows into new spirogyra.

Answer 2

Answer:

Fragmentation in multicellular organisms is a form of asexual reproduction in which an organism is split into fragments. Each of these fragments develop into matured organism, full grown individuals that are genetically and morphologically identical to their parents.

The splitting may or may not be intentional – it may or may not occur due to man-made or natural damage by the environment or predators. This kind of organism may develop specific organs or zones that may be shed or easily broken off. If the splitting occurs without the prior preparation of the organism, both fragments must be able to regenerate the complete organism for it to function as reproduction.

Fragmentation, also known as splitting and a method of reproduction is seen in many organisms such as in bacteria: filamentous cyanobacteria, in fungi like molds, lichens, many animals such as sponges, acoel flatworms, some annelid worms and sea stars.[1]

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