Animal characteristics - pp. 626-627 (5)
 
absorption vs. ingestion
 
cleavage
 
Embryonic development (Fig. 32.2)
 
blastula
 
blastocoel
 
gastrulation
 
gastrula
 
archenteron
 
endoderm
 
ectoderm
 
blastopore
 
animal origins (Fig. 28.4)
 
choanoflagellate
 
hypothetical origin of animals (Fig. 32.4)
 
2 alternative views of animal phylogeny
 
traditional view (image posted on my web site)
 
grade
 
grades of animals (4)
 
tissue
 
Parazoa
 
Eumetazoa
 
radial symmetry
 
bilateral symmetry
 
diploblastic
 
triploblastic
 
coelom
 
Acoelomate
 
Pseudocoelomate
 
Coelomate
 
Protostome characteristics
 
Deuterostome characteristics
 
spiral cleavage
 
radial cleavage
 
determinate cleavage
 
indeterminate cleavage
 
schizocoelous
 
enterocoelous
 
basis of molecular phylogeny
 
Lophotrochozoa
 
lophophore
 
trochophore
 
Ecdysozoa