chapter 34 final Flashcards
1
Q
animals are
A
multicellular and hetertrophic
2
Q
some animals reproduce
A
asexually
3
Q
sponges have no
A
true tissue and no body symmetry
4
Q
similar parts branch out in all directions from a central line
A
radial symmetry
5
Q
animals with similar halves
A
bilateral symmetry
6
Q
animals have _ germ layers
A
3
7
Q
invertebrates have no
A
body symmetry or are radially or bilaterally symmetrical
8
Q
all vertebrates have an
A
endoskeleton
9
Q
some invertebrates have an
A
exoskeleton
10
Q
during cleavage (1st step)
A
cells divide repeatedly
11
Q
mass of cells produced by cleavage form the
A
blastula
12
Q
the germ layers are defined during
A
gastrula formation
13
Q
acoelomates have
A
no body cavity
14
Q
psuedocoelomates have
A
a body cavity
15
Q
coelomates have a
A
coelom
