A) Arthropods
B) Cephalochordates
C) Annelids
D) Mollusca
Correct Answer: C
Solution :
Annelids have straight alimentary canal representing a tube within a tube plan. In deuterostomatic animals anus develops earlier during embryonic development from blastopore (e.g., all chordates and echinoderm invertebrates).You need to login to perform this action.
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