Their cell wall commonly forms a frustule, composed of an epitheca and a hypotheca. They possess a pigment, fucoxanthin, which masks the carotenoid pigments and chlorophyll, giving them their characte
Their cell wall commonly forms a frustule, composed of an epitheca and a hypotheca. They possess a pigment, fucoxanthin, which masks the carotenoid pigments and chlorophyll, giving them their characteristic color. These members of the phylum Bacillariophyta, are divided into two orders based on their symmetry and shape, the Centrales and Pennales. FTP, identify these organisms found floating in all waters and so-named because of their two interlocking valves.
Their cell wall commonly forms a frustule, composed of an epitheca and a hypotheca.
{diatom}s