The lower layer the will become the digestive system, liver, pancreas,and respiratory system.
A. Ectoderm
B. Endoderm.
C. Mesoderm
D. Periderm
Answer:C
The lower layer the will become the digestive system, liver, pancreas,and respiratory system.
A. Ectoderm B. Endoderm. C. Mesoderm D. Periderm