Question

Draw a net labelled diagrm of spirogyra and mention its two characteristics

Answer 1

first it was used by Engelmann to get spectra of light.Then is main species of protista special organs are pyrenoids

Answer 2

Spirogyra has spirally arranged green thread-like chloroplasts in cells.
It does not have specific parts like root-stem-leaves-flowers but is auto tropic due to the presence of chlorophyll.

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