Green algae have chlorophyll to give them their characteristic green color and include spirogyra and Chlamydomonas.
Chlorophyll is a green-colored pigment that is present in all photosynthetic performing organisms. Chlorophyll gives green color to the organisms. It is a necessary pigment for performing photosynthesis.
Spirogyra is free-floating algae that are found in freshwater. They have spiral chloroplast and cylindrical cells in the body.
Thus, Green algae have chlorophyll to give them their characteristic green color and include spirogyra and Chlamydomonas.
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