Deb and Mike's developing baby has entered the fetal stage. The key factor in determining that their baby has entered this stage is the formation of __________.

Question

Quizplus · Accepted Answer

The key factor in determining that a developing baby has entered the fetal stage is the formation of bone cells. This transition from the embryonic stage to the fetal stage is marked by the ossification process where cartilage starts to be replaced by bone, indicating significant development and growth.

Deb and Mike's Developing Baby Has Entered the Fetal Stage