Red Algae ____

Question

Red algae ____.  
A) are primarily marine organisms
B) are thought to have developed from green algae
C) contain xanthophylls as their main accessory pigments
D) are mostly unicellular
E) survive only in shallow water

Accepted Answer

Red algae are primarily found in marine environments, distinguishing them from many other types of algae that can be found in a variety of water bodies, including freshwater.