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Q.

What quality does Protochordata not possess?

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a

Presence of notochord.

b

Presence of circulatory system.

c

Jointed legs.

d

They are generally found in marine water.

answer is C.

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Detailed Solution

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  • The protochordata, like the chordates, includes gill openings, a rigid supporting rod called the notochord, which is the precursor to the backbone, as well as a hollow dorsal nerve cord.
  • They therefore possess coelom, bilateral symmetry, and a circulatory system. They lack jointed appendages, though.
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