Question

what happenes when a mixture spieogyra filament attains considererable length?

Answer 1

It produces spores.
asexual reproduction takes place.

Answer 2

Explanation:

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When a spirogyra filament attains considerable length, the filament breaks down into smaller pieces which grow up to a mature spirogyra. This process is called fragmentation. Fragmentation is a type of asexual reproduction occurs in spirogyra in which filament divides itself to form a new spirogyra.

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