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
A. One mouth and innumerable exits
is well developed
is in the form of a network
is made up of several interconnected ganglia
is absent
trophocytes
thesocytes
desmocytes
archeocytes
Scypha
Euspcmgia
Spongilla
None of these
pinacocyte � choanocyte � osculum
osculum > spongocoel � ostia
ostia > spongocoel � osculum
osculum � ostia > spongocoel
planula larva
amphiblastula larva
trochophore larva
glochidium larva
gemmules
spicules
spongin fibres
choanocytes
admit water current
pass out water current
ingest food
excrete waste products
porocytes
myocytes
choanocytes
none of these
adhere
rotate
be ingested
none of these
parenchyma
alanula
redia
amphib las tula
Planula
Stomogastrula
Amphiblastula
Terogastrula
cells
cell organisation
cell division
division of labour
amoebocytes
archeocytes
choanocytes
myocytes
cold water
sea water
sandy shore
brackish water
gemmulation
gemmation
regeneration
amphimixis
coelomata
acoelomata
metacoelomata
pseudocoelomates
protozoans
flagellates
choano flagellate
ciliates
gemmules
spicules
spongin fibre
trychocysts
Glass rope sponge
Venus flower basket
Boring sponge
Commercial bath sponge
absorption of food material
excretion
reproduction
formation of spicules
digestion
sexual reproduction
asexual reproduction
current circulation
choanocytes
porocytes
amoebocytes
pinacocytes
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
Robert Grant
Trembly
Robert Brown
Ellias
gemma
gemmule
bud
bulbul
calcarea
porifera
hexactinellida
demospongia
choanocytes
scleroblasts
pinacocytes
amoebocytes
vaselike globular body
a central cavity
radial symmetry
choanocyts
asconoid
syconoid
leuconoid
rhagon
corals
sea pen
comb jellies
sponges