The Sac in Which an Embryo Rests During the Second

question 119

Short Answer

The sac in which an embryo rests during the second stage of prenatal development is called the _______________.

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Definitions:

Reference Group

A group to which an individual or another group is compared, serving as a model for behaviour or beliefs.

Social Class

A division of society based on social and economic status, affecting people's opportunities, lifestyle, attitudes, and behavior.