30. Overview of Animals
Overview of Animals
Multiple Choice
Multiple ChoiceWhich of the following is the defining characteristic of the clade Ecdysozoa for which this group is named?
A
A horseshoe-shaped crown of ciliated tentacles
B
A trochophore larva
C
Segmented bodies
D
Lack of true tissues
E
The secretion of stiff external skeletons that must be shed to permit growth
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