The stage of human development in which the endoderm,mesoderm,and ectoderm form is the:

Question

Quizplus · Accepted Answer

The formation of the endoderm, mesoderm, and ectoderm occurs during the gastrula stage of development, which is characterized by the formation of the three germ layers through a process called gastrulation. The zygote is the initial fertilized egg, the morula is a solid ball of cells before gastrulation, and the fetal stage occurs much later in development after organogenesis is complete. Therefore, the best choice is B, gastrula.

The Stage of Human Development in Which the Endoderm,mesoderm,and Ectoderm