Multiple Choice
The shared derived characteristics for the echinoderm clade include _______; whereas the shared derived characteristics of chordates include the possession of a _______.
A) radial symmetry and loss of pharyngeal slits; dorsal hollow nerve cord
B) calcified internal plates; notochord
C) ciliated larvae; post-anal tail
D) Both a and b
E) Both b and c
Correct Answer:
Verified
Correct Answer:
Verified
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