Question

What happen when mature spirogyra filamentattainconsirdabke lenght

Answer 1

then they break into two or more fragments on maturation and each fragment grows into new spirogyra

Answer 2

It release spores which germinate into new mycelium in moist conditions. : When the sporangia of Rhizopus burst upon maturation, it releases spores which germinate into new mycelium in moist conditions