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Members of phylum Echinodermata are similar to chordates becasue
five arms with equal share of organs, downward facing mouth
their larvae are bilaterally symmetrical
no arms, ball or disk shape
Echinodea
long thin legs, single organ set in central disk
upward facing mouth, long feather like arms
Asteroidea
endoskeleton
Sand dollars and sea urchins are in class
five arms with equal share of organs, downward facing mouth
their larvae are bilaterally symmetrical
no arms, ball or disk shape
Echinodea
long thin legs, single organ set in central disk
upward facing mouth, long feather like arms
Asteroidea
endoskeleton
Class Asteroidea is characterized by
five arms with equal share of organs, downward facing mouth
their larvae are bilaterally symmetrical
no arms, ball or disk shape
Echinodea
long thin legs, single organ set in central disk
upward facing mouth, long feather like arms
Asteroidea
endoskeleton
Class Crinodea is characterized by _______ and _______
five arms with equal share of organs, downward facing mouth
their larvae are bilaterally symmetrical
no arms, ball or disk shape
Echinodea
long thin legs, single organ set in central disk
upward facing mouth, long feather like arms
Asteroidea
endoskeleton
Class Ophiuroidea is characterized by
five arms with equal share of organs, downward facing mouth
their larvae are bilaterally symmetrical
no arms, ball or disk shape
Echinodea
long thin legs, single organ set in central disk
upward facing mouth, long feather like arms
Asteroidea
endoskeleton
Class Echinodea is characterized by
five arms with equal share of organs, downward facing mouth
their larvae are bilaterally symmetrical
no arms, ball or disk shape
Echinodea
long thin legs, single organ set in central disk
upward facing mouth, long feather like arms
Asteroidea
endoskeleton
Organisms in phylum Echinodermata are distinguished by all the following characteristics except one
five arms with equal share of organs, downward facing mouth
their larvae are bilaterally symmetrical
no arms, ball or disk shape
Echinodea
long thin legs, single organ set in central disk
upward facing mouth, long feather like arms
Asteroidea
endoskeleton
Sea Stars are in class
five arms with equal share of organs, downward facing mouth
their larvae are bilaterally symmetrical
no arms, ball or disk shape
Echinodea
long thin legs, single organ set in central disk
upward facing mouth, long feather like arms
Asteroidea
endoskeleton
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