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Mention three salient features of Brown algae.

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Mention three salient features of Brown algae. 

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  • The thallus is di erentiated into leaf like photosynthetic part' called frond, a stalk like structurecalled stipe and a holdfast.
  • A part from Chlorophylls, Carotenoids and Xanthophylls, a golden brown pigment calledfucoxanthin is present. 
  • Mannitol and Laminarin are the reserve food materials. 
  • The term 'form genera' is used to name fossil plants - Explain. 
  • The whole plant is not recovered as fossils. 
  • Instead organs or parts of the extinct plants are obtained in fragments.
  • Hence the term 'form genera' is used to name fossil plants
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