Choose the correct one for Phaeophyceae from given statements.
i. The members of Phaeophyceae are found primarily in freshwater habitats.
ii. Kelps is simple branched, filamentous form while Ectocarpus is profusely branched form, which may reach at height of 100 metres.
iii. They possess chlorophyll-a, c, carotenoids and xanthophylls.
iv. They vary in colour from olive green to various shades of brown.
v. Colour depending upon the amount of the xanthophylls and fucoxanthin pigment.