The blastocyst is comprised of three layers. Which of these layers will develop into the digestive and respiratory systems? A. E
ctoderm B. Maxoderm C. Endoderm D. Mesoderm
2 answers:
The answer is C. Endoderm
the answer is endoderm I think
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Define objectives and standards, measure performance, compare progress, take required action.
Answer:
c
Explanation:
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