georgiamontes55 georgiamontes55

15-09-2016
Health

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The blastocyst is comprised of three layers. Which of these layers will develop into the digestive and respiratory systems? A. Ectoderm B. Maxoderm C. Endoderm D. Mesoderm

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DaisyMoon DaisyMoon

15-09-2016

The answer is C. Endoderm

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nikajuarez69 nikajuarez69

16-09-2016

the answer is endoderm I think

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