Question

(a) Why do members of phaeophyceae vary in colour from olive green to various shades of brown?
(b) Name any four members of phaeophyceae.​

Answer 1

Answer:

Ans a- The members of phaeophyceae or brown algae vary in colour from olive green to various shades of brown depending upon the amount of the xanthophyll pigment, fucoxanthin present in them.

Ans b- They are commonly known as brown algae, due to the presence of a golden brown xanthophyll pigment, fucoxanthin (C40H54O6) in the chromatophores. About 99.7% members are marine and a few grow in fresh water. The fresh water members are Pleurocladia, Heribaudiella, Pseudobodanella, Lithoderma and Sphacelaria.

Answer 2

Answer:

The members of phaeophyceae or brown algae vary in colour from olive green to various shades of brown depending upon the amount of the xanthophyll pigment, fucoxanthin present in them.

Some common members are Pleurocladia, Heribaudiella, Pseudobodanella, Lithoderma and Sphacelaria

Explanation:

Plz... mark as brainliest if you find this answer helpfull