What group of invertebrates are starfish, sea urchins, sea cucumbers?
| June 12, 2021 | education
Echinoderms. This is one of the oldest groups of invertebrates. As a rule, they can only be found on the ocean floor, the higher the salt content, the better the conditions for their existence. A characteristic feature acquired in the course of evolution is the radical symmetry of the body.
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