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Red algae, Brown algae, Green algae, Plant-like Protist - Coggle Diagram
Red algae
These organisms contain red photosynthetic pigments called phycobilins that give them a red color. These pigments enable the red algae to absorb green, violet, and blue light that can penetrate water to a depth of 100 m or more.
The cell walls of the red alga Coralline contain calcium carbonate. The calcium carbonate binds together the bodies of other organisms called stony coral to form coral reefs.
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Brown algae
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The bladder is filled with air and keeps the alga floating near the surface of the water where light is available for photosynthesis.
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Green algae
Green algae, of phylum Chlorophyta. Most live in freshwater, some live on damp ground, in snow, and even in the fur of some animals.
When the daughter cells have matured, they digest the parental cell and become free-swimming.
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Green algae share some traits with plants. Both contain chlorophyll, have cell walls, and store their food as carbohydrates.
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