limax and helix
pila and helix
lymnaea and planorbis
none of these
C. lymnaea and planorbis
giant clam
giant squid
giant Snail
giant octopus
Sepia
Loligo
Octopus
Mytilus
Teredo
Doris
Loligo
Octopus
Chaetopterus
Aphrodite
Amphihite
Limidus
Annelida
Moliusca
Echinodermata
Arthropoda
dentalium
cypraea
nautilus
pinctada
Crab
Aretticola
Milipede
Centipede
elephant tusk shells
butterflies of the sea
lerrfons of the sea
cucumbers of the sea
a sensory organ for balancing
a sensory organ for smell
swimming organ
none of these
cuttlefish
squid
flying squid
devil fish
Pila
Aplysia
Helix
Aphrodite
myoglobin
anthocyanin
haemocyanin
hemoglobin
pulmonary sac
ctenidia
book lungs
trachea
patella
limax
teredo
chiton
Trochophore
Veliger
Glochidium
Muller's larva
limax and helix
pila and helix
lymnaea and planorbis
none of these
Sepia
Lamellidens
Chiron
Pila
expelling water in a jet through siphon
lashing moment of their cephalic arms
characteristic undulations of their lateral fins
none of these
external shell of cuttle fish
internal shell of cuttle fish
bones of octopus
calcareous matter of cuttle fish
Annelida
Arthropoda
Mollusca
Chordata
prismatic layer
periostracum
nacre
mantle
thoracic appendages
foot
head appendages
none of these
Octopus
Sepia
Mytilus
Teredo
Sepia
Octopus
Aplysia
Doris
devilfish
cuttlefish
black mussel
sea hare
book lungs
pulmonary sacs
gills
respiratory siphons
Gastropoda
Caphalopoda
Bivalvia
Scaphopoda
Pelecypoda
Scaphopoda
Bivalva
Gastropoda
Unio
Mytilus
Teredo
Tridacna
Chiton
Unio
Teredo
Nautilus