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What is Echinodermata: Characteristics & Examples about?

Echinodermata is a phylum of marine invertebrates with spiny skin, internal skeletons, and water vascular systems. They display five-part radial symmetry and reproduce through external fertilization. The phylum includes sea urchins, sand dollars, brittle stars, sea cucumbers, sea stars, and sea lilies/feather stars.

Author

Abdulmuizz Khan

Language

EN