Question

Chordates possess all of the following structures except

a. pharyngeal pouches.
b. fins.
c. notochord.
d. hollow nerve cord.

Answer 1

They possess all of these ======> a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail for at least some period of their life cycles. So, therefore the answer would be A. ^-^

Answer 2

The correct answer is option B. fins.

Explanation:

In members of the group, chordates have five characters that are characteristic features of this group and sound in their life cycle at any stage or period of the life cycle. These characteristics are - possessing a notochord, pharyngeal slits, dorsal nerve chord, an endostyle, and a post tail makes this phylum.

Thus, the fins are not the character that is not posses by the chordates in any life cycle stage.

Thus, the correct answer is option B. fins.