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Question

All chordates possess

A
Exoskeleton
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B
Limbs
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C
Skull
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D
Axial skeletal rod of notochord
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Solution

The correct option is D Axial skeletal rod of notochord
D. Axial skeletal rod of notochord
EXPLANATION: Animals in the phylum chordata have a notochord, a dorsal hollow nerve cord, pharyngeal slits, thyroid gland and a post-anal tail. Notochord is a rod-like structure that develops dorsally along the length of the embryo in chordates.

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