Talk about chlorophyta.

Plastids having chlorophyll a and b with carotenoids (same as plants)/ photosynthetic site is pyrenoids (plastids grouped around inclusions of protein nature)/ morphological diversity/ flagellated unicellular or non-flagellated/ colonial thallus/ filamentous/ branched parenchymatous Thallus/ attach by a clamp to a substrate/ contain a nucleus and chloroplast/ not all have cellular organelles/ some contain coencytic fronds/ most are aquatic (planktonic or benthic many are terrestial but in moist environments.