Three anatomical characteristics (A, B and C) of invertebrate nervous system are used to build a generalized cladogram given below. Presence of the anatomical character is indicated by

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AA-unpaired nerve cord, B-paired nerve cord, C-cephalic ganglia.

BA-cephalic ganglia, B-unpaired nerve cord, C-paired nerve cord.

CA-cephalic ganglia, B-paired nerve cord, C-unpaired nerve cord.

DA-unpaired nerve cord, B-cephalic ganglia, C-paired nerve cord.

Eduncle Best Answer
Loriciferans contains a paired ventral nerve cord whereas nematodes and nematomorpha contain unpaired ventral nerve cord.
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