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Introduction to Animals 249
Introduction to Animals
Section 24.2 Animal Body Plans
Scan the figures and read the captions in Section 2 of the chapter.
Write two facts that you discovered about animal body plans.
1.
2.
Use your book or dictionar y to define phylogeny.
Compare the terms within each table by writing their definitions.
anterior posterior dorsal ventral
cephalization
symmetry
bilateral radial
protostome deuterostome
Main Idea Details
New
Vocabulary
Review
Vocabulary
Review
Vocabulary
phylogeny
acoelomate
anterior
bilateral symmetr y
cephalization
coelom
deuterostome
dorsal
posterior
protostome
pseudocoelom
radial symmetr y
symmetr y
ventral
coelom acoelomate psuedocoelom