Question

The common character between Balanoglossus,
Herdmania and Branchiostroma isare :-
(1) Bisexual
(2) Nocturnal
(3) Retrogressive metamorphosis
(4) Ciliary feeder​

Answer 1

Answer:

c

Explanation:

Balanoglossus is a deuterostome, and resembles the Ascidians or sea squirts, in that it possesses branchial openings, or "gill slits". It has notochord in the upper part of the body and has no nerve chord. It does have a stomochord, however, which is gut chord within the collar.