Star fish
Sea fan
Ship worm
None of these
A. Star fish
Sea-star
Star fish
Sea-cucumber
Sea lily
spines
tube feet
integumentary structures
none of these
sand dollar
sea cucumber
sea flies
sea horse
Asteroidea
Crinoidea
Ophiuroidea
Holothuroidea
movable
immovable
prehensile
all of these
Sea hares
Brittle stars
Star fishes
Sea fish
coelenterates
marine arthropods
echinodermates
sponges
Crinoidea
Asteroidea
Holothuroidea
Ophiuroidea
sea-hares
sea-stars
devil fish
sea fans
A fresh water echinoderm
An ancient Greak ship lantern shaped structure connected with balancing system of seal lily
A masticatory apparatus connected with digestive system in sea urchin
A seive plate connected with ambulacral system in sea star
Axial sinus
Dermal papillae
Tube feet
Tiedamann bodies
Starfish
Jellyfish
Cuttlefish
Fresh water mussel
bipinnaria
glochidium
auralia
echinus
ctenidia
dermal branchiae
book lungs
trachea
Holothuria (sea cucumber)
Echinus (sea urchin)
Echittocardium (sand dollar)
Antedon (feather star)
an exoskeleton
a spiny skin
bilateral symmetry
gastrovascular cavity
coelenterates
polychaetes
echinodermates
hemichordates
herbivorous
omnivorous
carnivorous
none of these
excretion
absorption
reproduction
respiration
Sea star
sea urchin
Sea cucumber
Feather star
digestive system
water vascular system
canal system
none of these
Nervous system with a large brain
Respiratory system
System of internal seleton
Excretory system
parapodia
pseudopodia
setae
tube feet
echinodea
holothuroidea
asteroidea
ophiuroidea
haemal system
digestive system
ambulacral system
reproductive system
locomotion
respiration
feeding
all of these
pluteus
echinopluteus
bipinnaria
auricularia
Sea stars
Cake urchins
Sea lilies
Sea cucumbers
tube feet
lobopodia
cephalopodia
rhizopodia
Crinoidea
Asteroidea
Holothuroidea
Ophiuroidea