A.Ectoderm, endoderm, blastopore and archenteron
B.Ectoderm, mesoderm, blastopore and archenteron
C.Ectoderm, endoderm, blastocoel and archenteron
D.Ectoderm, mesoderm, blastocoel and archenteron
A.Ectoderm, endoderm, blastopore and archenteron
B.Ectoderm, mesoderm, blastopore and archenteron
C.Ectoderm, endoderm, blastocoel and archenteron
D.Ectoderm, mesoderm, blastocoel and archenteron