General Animals Flashcards
1
Q
multicellular stage produced by cleavage; cells surround a cavity
A
blastula
2
Q
cavity inside blastula
A
blastocoel
3
Q
process where one end of the blastula folds inward and expands to fill blastocoel
A
gastrulation
4
Q
pore formed by gastrulation
A
blastopore
5
Q
pouch formed by gastrulation
A
archenteron
6
Q
future of archenteron lining
A
endoderm
7
Q
future of blastula lining
A
ectoderm
8
Q
future of blastocoel filling
A
mesoderm
9
Q
top side
A
dorsal side
10
Q
bottom side
A
ventral side
11
Q
front end
A
Anterior
12
Q
back end
A
Posterior
13
Q
gives rise to the lining of the digestive tract (or cavity) and to the lining of organs such as the liver and lungs of vertebrates.
A
endoderm
14
Q
germ layer gives rise to the outer covering of the animal and, in some phyla, to the central nervous system
A
ectoderm
15
Q
have radial cleavage
A
deuterostomes
