sporozoa
mastigophora
porifera
coelenterata
C. porifera
absorption of food material
excretion
reproduction
formation of spicules
calcarea
porifera
hexactinellida
demospongia
Scypha
Euspcmgia
Spongilla
None of these
parenchyma
alanula
redia
amphib las tula
gemmules
spicules
spongin fibre
trychocysts
sporozoa
mastigophora
porifera
coelenterata
choanocytes
porocytes
amoebocytes
pinacocytes
corals
sea pen
comb jellies
sponges
Hyalonema
Tethya
Euplectalla
Pheronetna
gemmulation
gemmation
regeneration
amphimixis
siliceous spicules
spongin fibres
collagen fibres
elastic fibres
cold water
sea water
sandy shore
brackish water
choanocytes
porocytes
pinacocytes
amoebocytes
amoebocytes
archeocytes
choanocytes
myocytes
nutrition
respiration
excretion
sexual reproduction
porifera
gatropoda
coelenterata
ctenophora
Radial canal
Inhalant canal
Spongocoel
None of these
Robert Grant
Trembly
Robert Brown
Ellias
is well developed
is in the form of a network
is made up of several interconnected ganglia
is absent
vaselike globular body
a central cavity
radial symmetry
choanocyts
pinacocytes
thesocytes
choamocytes
scleroblasts
cells
cell organisation
cell division
division of labour
Cliona
Hyalonema
Chalina
Euspongia
choanocytes
scleroblasts
pinacocytes
amoebocytes
Glass rope sponge
Venus flower basket
Boring sponge
Commercial bath sponge
adhere
rotate
be ingested
none of these
gemma
gemmule
bud
bulbul
on the external body surface
line the gastric cavity
located between the outer and inner layers
in the mesodermal layer
Cartilage
Mesenchyma
Spicules and spongin fibres
Myonemes
calcarea
demospongia
anthozoa
hexactinellida