expelling water in a jet through siphon
lashing moment of their cephalic arms
characteristic undulations of their lateral fins
none of these
A. expelling water in a jet through siphon
Caphalopoda
Gastropoda
Pelecypoda
Scaphopoda
cuttlefish
squid
flying squid
devil fish
Gastropoda
Caphalopoda
Bivalvia
Scaphopoda
expelling water in a jet through siphon
lashing moment of their cephalic arms
characteristic undulations of their lateral fins
none of these
Chaetopterus
Aphrodite
Amphihite
Limidus
foot is located on head
head is fused with thorax
head is located on foot
notochord extends upto cephalic region
Gastropoda
Scaphopoda
Bivalva
Cephalopoda
Caphalopods
Scaphopods
Bivalva
Gastropods
Neoplina
Chiton
Dentalium
Patella
limax and helix
pila and helix
lymnaea and planorbis
none of these
sea hare
Pond snail
fresh water mussel
chiton
Nautilus
Pila
Argpnata
Unio
thoracic appendages
foot
head appendages
none of these
Pila
Aplysia
Helix
Aphrodite
giant clam
giant squid
giant Snail
giant octopus
a sensory organ for balancing
a sensory organ for smell
swimming organ
none of these
devilfish
cuttlefish
black mussel
sea hare
Sepia
Octopus
Aplysia
Doris
Sepia
Loligo
Patella
Nautilus
scallop
sea mussel
razor shell
any of these
elephant tusk shells
butterflies of the sea
lerrfons of the sea
cucumbers of the sea
patella
limax
teredo
chiton
myoglobin
anthocyanin
haemocyanin
hemoglobin
Pelecypoda
Scaphopoda
Bivalva
Gastropoda
Annelida
Arthropoda
Mollusca
Chordata
an annelid
an arthropod
an echinoderm
a mollusc
Octopus
Sepia
Mytilus
Teredo
Unio
Mytilus
Teredo
Tridacna
Chiton
Unio
Teredo
Nautilus
prismatic layer
periostracum
nacre
mantle