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Echinoderms

Echinoderms are a group of invertebrates that includes starfish, sea lilies, feather stars, brittlestars, sea cucumbers, and sea urchins and many others. There are about 600 species of echinoderms alive today. The articles listed below provide information about the characteristics, classification and evolution of echinoderms.

What Are Echinoderms

Echinoderms are bottom-dwelling marine invertebrates that exhibit a variety of feeding habits including filter feeding, scavenging, and predation. In this article, we'll explore basic facts about echinoderms including how they are classified, what they eat, where they live and the characteristics that make them different from other invertebrate...

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