Consider the following statementsA. They vary in colour from olive green to various shades of brown depending upon the amount of xanthophyll present.B. Present at the great depths in the oceans where relatively little light penetrates.C. The sexual reproduction shows considerable variation in the type and formation of sex cells.These statements are correct for which class of algae ?

Phaeophyceae vary in colour from olive green to various shades of brown depending upon the amount of the xanthophyll pigment, fucoxanthin present in them.Rhodophyceae occur in both well-lighted regions close to the surface of water and also at great depths in oceans where relatively little light penetrates.In Chlorophyceae sexual reproduction is of isogamous, anisogamous and oogamous types.