Question

Which of the following is not a character of chordates?
(a) Ventral nerve cerd (b) Rod like notochord
(c) Pharyngeal gill slits
(d) Bilateral symmetry
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Answer 1

Answer:

option a) is the answer

Explanation:

DORSAL HOLLOW NERVE CORD IS PRESENT IN CHORDATES...

Answer 2

Answer:

(a)

Explanation:

chordates -embryonic stage mostly notochord present in some persist also

                 pharyngeal gill slits only in chordates

                 bilateral symmetry as non chordates are either asymetric or radial                symmetry or in some bilateral but chordates have bilateral symmetry only