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| Description: Thalassionema This star-shaped colony of marine diatoms is called Thalassionema. Diatoms are single-celled algae and some of the most numerous photosynthetic “plants” in the oceans. Hundreds of diatoms can fit on the head of a pin, but these tiny organisms exist in countless numbers—enough to change seawater color during periodic population “blooms.” Picture Stats: Views: 557 Filesize: 25.86kB Height: 450 Width: 600 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=12258 Keywords: Thalassionema |