1. Dinoflagellates are single-celled organisms that live in lakes, rivers, and oceans. Some species that live in the ocean flash on contact.
This dinoflagellate model (11,000 times life size!) can be seen in Creatures of Light. 
Photo by Denis

    Dinoflagellates are single-celled organisms that live in lakes, rivers, and oceans. Some species that live in the ocean flash on contact.

    This dinoflagellate model (11,000 times life size!) can be seen in Creatures of Light

    Photo by Denis