Multiple Choice
Studies using DNA sequences suggest that the three arthropod subphyla Chelicerata, Crustacea and Uniramia
A) had three different evolutionary origins.
B) have probably evolved from a common ancestor.
C) evolved jointed appendages and exoskeletons independently.
D) have polyphyletic origin as chelicerates have spiral cleavage.
E) should actually be in different phyla.
Correct Answer:
Verified
Correct Answer:
Verified
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