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Phylum Echinodermata: Class Ophiuroidea
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Phylum Echinodermata: Class Ophiuroidea
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Phylum Echinodermata: Class Ophiuroidea
Locomotory organ in brittle star is:
its arms
water vascular system
muscles
tubes
Author:
rikazzz
Comment
Phylum Echinodermata: Class Ophiuroidea
Unbranched arms of brittle star range in size from:
2-4 cm
1-3 cm
4-6 cm
0.1-5 cm
Author:
rikazzz
Comment
Phylum Echinodermata: Class Ophiuroidea
Ampullae is absent in:
sea stars
brittle stars
star fish
none of above
Author:
rikazzz
Comment
Phylum Echinodermata: Class Ophiuroidea
Which of following is not present in ophiuroids?
pedicellariae only
branchiae only
vascular system
pedicellariae and branchiae
Author:
rikazzz
Comment
Phylum Echinodermata: Class Ophiuroidea
Central disk of members of class Ophiuroidea, having
hexagonal shape
pentagonal shape
round shape
wrinkle shape
Author:
rikazzz
Comment
Phylum Echinodermata: Class Ophiuroidea
Mode of nutrition in ophiuroids is:
predator only
scavengers only
decomposers
predators and scavengers
Author:
rikazzz
Comment
Phylum Echinodermata: Class Ophiuroidea
Brittle stars and basket stars are included in class
asteroidea
Ophiuroidea
Echinoidea
crinoidea
Author:
rikazzz
Comment
Phylum Echinodermata: Class Ophiuroidea
Class Ophiuroidea includes a roundabout:
20000 species
3000 species
2000 species
1000 species
Author:
rikazzz
Comment
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