Homework Help: Biology

Posted by Dante on Tuesday, February 8, 2011 at 10:28pm.

Excluding the echinoderms, all the animals in group 2 (birds, mammals, fish, amphibians) have which of the following characteristics in common?

A)protostome embryo, coelom, radial symmetry, dorsal nerve cord

B)protostome embryo, no coelm, bilateral, ventral nerve cord

C)deuterostome embryo, coelom, bilateral, dorsal nerve cord

D)deuterostome embryo, pusedocoelom, asymmetry, ventral nerve cord

E)deuterostome embryo,no coelom, radial, dorsal nerve cord

Biology - Dante, Tuesday, November 8, 2011 at 6:42pm
a
Biology - Dante, Tuesday, November 8, 2011 at 6:42pm
a
Biology - Anonymous, Tuesday, January 1, 2013 at 11:05pm
d

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