lunula algae are the organisms that occasionally make the sea glow blue. P. lunula is an example of a dinoflagellate—a single-celled organism that cannot move on its own. Its main source of ...

lunula algae, which are single-celled organisms that can cause the sea to glow blue, even though they may not have heard of them. Dinoflagellates are single-celled organisms that are unable to ...