Multiple Choice
The lining of the mouth and anus originate from the ____, while the lining of the respiratory tract originates from the ____.
A) ectoderm; endoderm
B) ectoderm; mesoderm
C) endoderm; ectoderm
D) endoderm; mesoderm
E) mesoderm; endoderm
Correct Answer:

Verified
Correct Answer:
Verified
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