When all three germ layers are present (ectoderm, endoderm, and mesoderm), what event has occurred? a. Blastulation

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When all three germ layers are present (ectoderm, endoderm, and mesoderm), what event has occurred?
a. Blastulation
b. Limb formation
c. Gastrulation
d. Morulation

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Human Biology

ISBN: 978-0073525488

13th edition

Authors: Sylvia S. Marder, Michael Windelspecht

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Question Posted: Jul 14, 2016 04:23 AM

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When all three germ layers are present (ectoderm, endoderm, and mesoderm), what event has occurred? a. Blastulation

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Human Biology

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