Leucosolenia
Sycon
Euspnongia
Grautia
A. Leucosolenia
Hyalonema
Tethya
Euplectalla
Pheronetna
ostea
gastral cavity
gut
gullet
choanocytes
porocytes
pinacocytes
amoebocytes
gemmules
spicules
spongin fibre
trychocysts
absorption of food material
excretion
reproduction
formation of spicules
siliceous spicules
spongin fibres
collagen fibres
elastic fibres
trophocytes
thesocytes
desmocytes
archeocytes
adhere
rotate
be ingested
none of these
free living, solitary, marine
free living, fresh water, solitary
free living, colonial, marine
Solitary, colonial, fresh water
protozoans
flagellates
choano flagellate
ciliates
corals
sea pen
comb jellies
sponges
admit water current
pass out water current
ingest food
excrete waste products
water vascular system
canal system
feeding current
circulating current
cells
cell organisation
cell division
division of labour
Scypha
Euspcmgia
Spongilla
None of these
Leucosolenia
Sycon
Euspnongia
Grautia
porifera
gatropoda
coelenterata
ctenophora
nutrition
respiration
excretion
sexual reproduction
choanocytes
scleroblasts
pinacocytes
amoebocytes
asconoid
syconoid
leuconoid
rhagon
calcarea
porifera
hexactinellida
demospongia
Planula
Stomogastrula
Amphiblastula
Terogastrula
Cartilage
Mesenchyma
Spicules and spongin fibres
Myonemes
vaselike globular body
a central cavity
radial symmetry
choanocyts
sporozoa
mastigophora
porifera
coelenterata
amoebocytes
archeocytes
choanocytes
myocytes
Planula
Parenchymula
Maggot
Kedia
digestion
sexual reproduction
asexual reproduction
current circulation
coelomata
acoelomata
metacoelomata
pseudocoelomates
One mouth and innumerable exits
Mouth serves for both, ingestion and egestion
Innumerable mouths and one exit
The body encloses a single cavity the coeienteron