germ layers Flashcards
1
Q
porifera
A
no germ layers
2
Q
cnidaria
A
two germ layers
3
Q
platyhelminthes
A
three germ layers
4
Q
annelids
A
three germ layers
5
Q
mollusca
A
three germ layers
6
Q
echinodermata
A
three germ layers
7
Q
arthropoda
A
three germ layers
8
Q
chordata
A
three germ layers
9
Q
porifera
A
two cell layers (see the thing)
10
Q
cnidaria
A
ectoderm –> epidermis
endoderm –> inner gastrodermis
11
Q
platyhelminthes
A
ectoderm, mesoderm, endoderm
12
Q
annelids
A
ecto-meso-endo
13
Q
mollusca
A
ecto meso endo
14
Q
echinodermata
A
ecto meso endo.
15
Q
arthropoda
A
ecto meso endo
16
Q
chordata
A
ecto meso endo
17
Q
porifera specialized cells
A
choanocytes line inner cavities. sting. current.
18
Q
porifera ingest food how?
A
phagocytosis
19
Q
porifera: distribution of foostuffs
A
amebocytes
20
Q
porifera gel layer?
A
mesenchyme separates outer and inner layers
