4/16/2023 0 Comments Annelida blastopore![]() ![]() Echinoderms are found at every ocean depth, from the intertidal zone to the abyssal zone. The adults are recognizable by their (usually five-point) radial symmetry, and include such well-known animals as sea stars, sea urchins, sand dollars, and sea cucumbers, as well as the sea lilies or “stone lilies”.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |