The key event that distinguishes the embryonic stage from the third stage, the fetal stage, is the formation of the ________.

Name: The key event that distinguishes the embryonic stage from the third stage, the fetal stage, is the formation of the ________.
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Question

Quizplus · Accepted Answer

The formation of bone cells marks the transition from the embryonic stage to the fetal stage, as it signifies the beginning of ossification and the development of a more defined skeletal structure.

The Key Event That Distinguishes the Embryonic Stage from the Third