Page 4 - 2.Lesson Notes-Asexual mode of reproduction-I

(ii) Fragmentation

 Fragmentation is a form of asexual reproduction, in which an organism
reproduces by breaking its filamentous body into two or more parts
(fragments) after a certain period of growth.
 Each of these fragments develops into a mature fully grown individual (a new
filament).
 Each new filament is the clone of the original organism. This type of asexual
reproduction is called Fragmentation
 E.g., a green algae spirogyra grows in water bodies such as ponds. It forms
a film on the water surface called pond scum and reproduces through
fragmentation.

Spirogyra Pond scum

Fragmentation of spirogyra.