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algae- deem,ryiof, rand - Coggle Diagram
algae- deem,ryiof, rand
Algae are plantlike protists that contain photosynthetic pigments.
Algae differ from plants because they do not have roots, leaves, or other structures typical of plants.
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Algae are classified using three criteria: pigment type, method of food storage, and cell wall composition.
Diatoms
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They store food as oil, making them a nutritious food source and buoyant in water.
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Dinoflagellates
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Predominantly unicellular, with two flagella at right angles to one another, causing the dinoflagellate to spin as it moves.
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Some are autotrophic, some are heterotrophic
Some are bioluminescent, meaning they emit light
Euglenoids
Phylum Euglenophyta, euglenoids, are unicellular plantlike protists.
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Most euglenoids photosynthesize, but do not have a cell wall; they can also be heterotrophs.
Chrysophytes
Phylum Chrysophyta, chrysophytes, are yellow-green or golden-brown algae.
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Most chrysophytes are unicellular, but some are colonial.
Green algae
Phylum Chlorophyta, green algae, are photosynthetic organisms that have much in common with plants.
Can be unicellular, multicellular, or colonial
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brown algae
Phylum Phaeophyta contain the brown algae, some of the largest and most plantlike multicellular algae.
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Red algae
Phylum Rhodophyta, red algae, contains mostly multicellular organisms.
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Phycobilin absorbs blue and violet light that penetrates deeper into the water, allowing red algae to live in deeper water than other algae.
used to thicken puddings, syrups, and shampoos