Starfish
Jellyfish
Cuttlefish
Fresh water mussel
C. Cuttlefish
pluteus
echinopluteus
bipinnaria
auricularia
Sea cucumber
Brittle star
Feather star
Both (b) and (c)
echinodea
holothuroidea
asteroidea
ophiuroidea
Starfish
Jellyfish
Cuttlefish
Fresh water mussel
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
haemal system
digestive system
ambulacral system
reproductive system
Asterias
Antedon
Echinus
Ophiothrix
sea-hares
sea-stars
devil fish
sea fans
Holothuria (sea cucumber)
Echinus (sea urchin)
Echittocardium (sand dollar)
Antedon (feather star)
parapodia
pseudopodia
setae
tube feet
excretion
absorption
reproduction
respiration
an exoskeleton
a spiny skin
bilateral symmetry
gastrovascular cavity
(a) Starfish
(b) Brittle star
(c) Sea lily
(d) None of these
mouth apparatus
exoskeleton
skeletal system
bioluminscent organ
Ophiothrix
Pentaceros
Antedon
None of these
spines
tube feet
integumentary structures
none of these
bipinnaria
glochidium
auralia
echinus
torneria
onchosphere
trochophore
bipinnaria
tube feet
lobopodia
cephalopodia
rhizopodia
coelenterates
marine arthropods
echinodermates
sponges
Antedon
Echinocardium
Ophiothrix
Pentaceros
sand dollar
sea cucumber
sea flies
sea horse
Asteroidea
Crinoidea
Ophiuroidea
Holothuroidea
Star fish
Sea fan
Ship worm
None of these
Nervous system with a large brain
Respiratory system
System of internal seleton
Excretory system
locomotion
respiration
feeding
all of these
Sea star
sea urchin
Sea cucumber
Feather star
digestive system
water vascular system
canal system
none of these
Sea-star
Star fish
Sea-cucumber
Sea lily
Sea hares
Brittle stars
Star fishes
Sea fish