Figure 51-2 Use the Figure to Answer the Corresponding Question(s)

question 44

Multiple Choice

Figure 51-2 Use the figure to answer the corresponding question(s) . ​

​
The structure labeled as 3 in Figure 51-2 is the

• A) archenteron.
• B) endoderm.
• C) mesoderm.
• D) blastocoel.
• E) ectoderm.

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External Marketing Factor

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