CSS :: Classification Of Animals
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Which of the following groups of characters are confined exclusively to Chordates:
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[A]. |
Notochord, ventral nerve cord, dorsal heart | [B]. |
Notochord, dorsal tutular nerve cord, pharyngeal slits
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[C]. |
Notochord, dorsal tubular nerve cord open circulatory system | [D]. |
Notochord, double solid ventral nerve cord, red blood cells |
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