Cliona
Hyalonema
Chalina
Euspongia
D. Euspongia
porocytes
myocytes
choanocytes
none of these
diploblastic organisation
coelenteron
canal system
coelom
Planula
Stomogastrula
Amphiblastula
Terogastrula
Cartilage
Mesenchyma
Spicules and spongin fibres
Myonemes
corals
sponges
sea urchin
sea horse
gemmules
spicules
spongin fibre
trychocysts
admit water current
pass out water current
ingest food
excrete waste products
porifera
gatropoda
coelenterata
ctenophora
Scypha
Euspcmgia
Spongilla
None of these
pinacocytes
thesocytes
choamocytes
scleroblasts
cells
cell organisation
cell division
division of labour
siliceous spicules
spongin fibres
collagen fibres
elastic fibres
adhere
rotate
be ingested
none of these
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
planula larva
amphiblastula larva
trochophore larva
glochidium larva
pinacocyte � choanocyte � osculum
osculum > spongocoel � ostia
ostia > spongocoel � osculum
osculum � ostia > spongocoel
gemmules
spicules
spongin fibres
choanocytes
on the external body surface
line the gastric cavity
located between the outer and inner layers
in the mesodermal layer
Hyalonema
Tethya
Euplectalla
Pheronetna
Radial canal
Inhalant canal
Spongocoel
None of these
parenchyma
alanula
redia
amphib las tula
Leucosolenia
Sycon
Euspnongia
Grautia
is well developed
is in the form of a network
is made up of several interconnected ganglia
is absent
coelomata
acoelomata
metacoelomata
pseudocoelomates
cold water
sea water
sandy shore
brackish water
calcarea
porifera
hexactinellida
demospongia
calcarea
demospongia
anthozoa
hexactinellida
corals
sea pen
comb jellies
sponges
choanocytes
porocytes
amoebocytes
pinacocytes
Glass rope sponge
Venus flower basket
Boring sponge
Commercial bath sponge