Chapter 4.2, Problem 5AYP

Summary Introduction

To write:

The name of the adult structures that are derived from each layer.

Introduction:

A germ layer is a gathering of cells in a fetus that communicates with each other as the fetus develops and adds to the development of all organs and tissues. All creatures, aside from maybe sponges, form 2 or 3 germ layers. The name of 3 germ layers is ectoderm, endoderm, and mesoderm.