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What are the classes of echinoderms?

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Start studying Five Classes of Echinoderms. Learn vocabulary, terms, and more with flashcards, games, and other study tools. read more

Echinoderms are characterized by radial symmetry, several arms (5 or more, mostly grouped 2 left - 1 middle - 2 right) radiating from a central body (= pentamerous). The body actually consists of five equal segments, each containing a duplicate set of various internal organs. read more

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Biol 11 Lesson 5 April 15 - Ch. 29 Echinodermata
Source: slideshare.net

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