A group of cells in embryo interact with each other during development, helps in the formation of all different organs and tissues of an organism known as germ layer. There are three types of germ layer ectoderm, endoderm,and mesoderm.

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Chapter 22, Problem 15A

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A group of cells in embryo interact with each other during development, helps in the formation of all different organs and tissues of an organism known as germ layer. There are three types of germ layer ectoderm, endoderm,and mesoderm.

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