The green algae are the large group of algae in which the Embryophytes emerged in the Charophytes and these Embryophytes are traditionally excluded as they form a paraphyletic group. The kingdom of Plantae (Viridiplantae) included both green algae and embryophytes is monophyletic and the green algae contains unicellular and colonial flagellates with two flagella ,colonial ,coccoid , filamentous and macroscopic seaweeds. Most of the species lives as single cells and other species form colonies, highly differentiated macroscopic seaweeds or long filaments. The other organisms rely on green algae to conduct photosynthesis for them. Green algae can also found symbiotically in the ciliate Paramecium, and in HYDRA and in the Platyhelminthis.
Last date updated on April, 2024
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