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Class Asteroidea is characterized by
long thin legs, single organ set in central disk
endoskeleton
Ophiuroidea
upward facing mouth, long feather like arms
Crinodea
Asteroidea
Echinodea
five arms with equal share of organs, downward facing mouth
Brittle stars are in class
long thin legs, single organ set in central disk
endoskeleton
Ophiuroidea
upward facing mouth, long feather like arms
Crinodea
Asteroidea
Echinodea
five arms with equal share of organs, downward facing mouth
Class Crinodea is characterized by _______ and _______
long thin legs, single organ set in central disk
endoskeleton
Ophiuroidea
upward facing mouth, long feather like arms
Crinodea
Asteroidea
Echinodea
five arms with equal share of organs, downward facing mouth
Class Ophiuroidea is characterized by
long thin legs, single organ set in central disk
endoskeleton
Ophiuroidea
upward facing mouth, long feather like arms
Crinodea
Asteroidea
Echinodea
five arms with equal share of organs, downward facing mouth
Sea Lilies and feather stars are in class _________
long thin legs, single organ set in central disk
endoskeleton
Ophiuroidea
upward facing mouth, long feather like arms
Crinodea
Asteroidea
Echinodea
five arms with equal share of organs, downward facing mouth
Sand dollars and sea urchins are in class
long thin legs, single organ set in central disk
endoskeleton
Ophiuroidea
upward facing mouth, long feather like arms
Crinodea
Asteroidea
Echinodea
five arms with equal share of organs, downward facing mouth
Sea Stars are in class
long thin legs, single organ set in central disk
endoskeleton
Ophiuroidea
upward facing mouth, long feather like arms
Crinodea
Asteroidea
Echinodea
five arms with equal share of organs, downward facing mouth
Organisms in phylum Echinodermata are distinguished by all the following characteristics except one
long thin legs, single organ set in central disk
endoskeleton
Ophiuroidea
upward facing mouth, long feather like arms
Crinodea
Asteroidea
Echinodea
five arms with equal share of organs, downward facing mouth
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