We Should Expect the Inner Wall of the Swim Bladder

Question

We should expect the inner wall of the swim bladder to be lined with tissue that is derived from
A) ectoderm.
B) endoderm.
C) mesoderm.
D) mesoglea.
E) neurectoderm.

Accepted Answer

The swim bladder is an internal gas-filled sac that is derived from the endoderm. Therefore, we can expect the inner wall of the swim bladder to be lined with endodermal tissue.