ecdysozoans

Description: Overview: Life Without a Backbone Concept 33.1: Sponges are basal animals that lack true tissues Concept 33.2: Cnidarians are an ancient phylum of eumetazoans Concept 33.3: Lophotrochozoans, a clade identified by molecular data, have the widest range of animal body forms Concept 33.4: Ecdysozoans are the most species-rich animal group Concept 33.5: Echinoderms and chordates are deuterostomes
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Tags deuterostomes ecdysozoans invertebrates
Author: Moki
Created: 2011-07-12

Description: Biology 202 Chapter 33.4 Ecdysozoans are the most species-rich animal group pages 683-692 Spring 2010
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Tags 202 334 animal are biology chapter ecdysozoans group most species-rich the
Author: bobbielynnj9
Created: 2010-03-07