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(a)    List in tabular form two difference between binary fission and multiple fission.
(b)    What happens when a mature Spirogyra filament attains considerable length.

 

Answers (1)

(a) 

binary fission 

multiple fission

It produces two daughter cells.

It produces many daughter cells.

It divides only once. Ex: Amoeba. It divides repeatedly. Ex: Algae.

(b) When a mature Spirogyra filament attains considerable length, it simply breaks up into smaller pieces at the time of maturation due to the presence of weak points and these fragments grow into new individuals.

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