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5 votes
Which one of these exhibits gill slits at some point of its development..

A. All mollusks
B. All echinoderms
C. All cnidarians
D. All chordates

User Fiatjaf
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8.5k points

1 Answer

6 votes
D. All Chordates

It may in different form in some individual of the same phylum!!

Hope this helps!
User Philipp Johannis
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