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Class 12 Tuition > Learn Biology > Differentiate between Red algae & brown algae.
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Differentiate between Red algae & brown algae.

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Red algae: Unicellular and microscopic. Only a few are filamentous and heterotrichous. Phycoerythrin, phycocyanin and phycobilins pigments are present. Reserve food material is Floridean starch. Chlorophyll ‘a’ present. e.g., Gelidium,Polysiphonia. Brown algae 1. Filamentous...
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Red algae:

  1. Unicellular and microscopic. Only a few are filamentous and heterotrichous.
  2. Phycoerythrin, phycocyanin and phycobilins pigments are present.
  3. Reserve food material is Floridean starch.
  4. Chlorophyll ‘a’ present.
  5. e.g., Gelidium,Polysiphonia.                     
  6. Brown algae
  7. 1. Filamentous and heterotrichous.
    2. Fucoxanthin pigments is present.
    3. Reserve food material is Laminarian starch.
    4. Chlorophyll ‘a’ and ‘c’ present.
    5. E.g., Laminaria, Fucus and Sargassum.
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Red algae Brown algae 1. Red algae are grouped under the class Rhodophyceae. 1. Brown algae are grouped under the class Phaeophyceae. 2. They contain floridean starch as stored food. 2. They contain mannitol or laminarin as stored food. 3. They...
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Red algae Brown algae 1. Red algae are grouped under the class Rhodophyceae. 1. Brown algae are grouped under the class Phaeophyceae. 2. They contain floridean starch as stored food. 2. They contain mannitol or laminarin as stored food. 3. They contain the photosynthetic pigments chlorophylls a and d, and phycoerythrin. 3. They contain the photosynthetic pigments chlorophylls a and c, and fucoxanthin. 4. Their cell walls are composed of cellulose, pectin, and phycocolloids. 4. Their cell walls are composed of cellulose and algin. 5. Flagella are absent 5. Two flagella are present read less
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