Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 25, Problem 2FIB
Summary Introduction

Introduction:

Phylum chordate is comprised of three clades; the groups which are evolved from the same ancestry: the lancelets, the craniates, and the tunicates. Chordates are two types vertebrate and invertebrate.

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