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Figure 51-1 ​ ​

Question 49

Multiple Choice

Figure 51-1 ​
Figure 51-1 ​ ​ The structure labeled as 2 in the accompanying figure is the A) endoderm layer. B) mesoderm layer. C) blastopore. D) blastocoel. E) archenteron.
​
The structure labeled as 2 in the accompanying figure is the


A) endoderm layer.
B) mesoderm layer.
C) blastopore.
D) blastocoel.
E) archenteron.

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