Sepia
Loligo
Patella
Nautilus
Annelida
Arthropoda
Mollusca
Chordata
thoracic appendages
foot
head appendages
none of these
Echinodenns
Arthropods
Molluscs
Annelida
scallop
sea mussel
razor shell
any of these
Unio
Vila
Mytilus
Loligo
Pila
Starfish
Housefly
Earthworm
Gastropoda
Caphalopoda
Bivalvia
Scaphopoda
dentalium
cypraea
nautilus
pinctada
Unio
Mytilus
Teredo
Tridacna
Teredo
Doris
Loligo
Octopus
sea hare
Pond snail
fresh water mussel
chiton
Annelida
Moliusca
Echinodermata
Arthropoda
Sepia
Octopus
Aplysia
Doris
an annelid
an arthropod
an echinoderm
a mollusc
Pelecypoda
Scaphopoda
Bivalva
Gastropoda
myoglobin
anthocyanin
haemocyanin
hemoglobin
book lungs
pulmonary sacs
gills
respiratory siphons
Nautilus
Pila
Argpnata
Unio
Mikimoto
Katu
Haeckel
Von Mohl
Sepia
Lamellidens
Chiron
Pila
elephant tusk shells
butterflies of the sea
lerrfons of the sea
cucumbers of the sea
Sepia
Loligo
Octopus
Mytilus
Caphalopods
Scaphopods
Bivalva
Gastropods
Crab
Aretticola
Milipede
Centipede
a sensory organ for balancing
a sensory organ for smell
swimming organ
none of these
cuttlefish
squid
flying squid
devil fish
devilfish
cuttlefish
black mussel
sea hare
Gastropoda
Scaphopoda
Bivalva
Cephalopoda
Sepia (Caphalopoda)
Uttio (Pelecypoda)
Dentalium (Scaphopoda)
Pila (Gastropoda)