31. Invertebrates
Ecdysozoans
Multiple Choice
Multiple ChoiceThe arthropods superficially resemble earthworms in that both groups __________, yet the two are distinctly different because arthropods, but not earthworms, __________.
A
have closed circulatory systems; have bristles
B
are cephalized and bilaterally symmetrical; have true organs
C
have a true coelom; have an anus
D
are acoelomates; are segmented
E
have prominently segmented bodies; have jointed appendages
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