The process of gastrulation involves extensive rearrangement of the blastomeres.
{"Image DocumentName": "The process of gastrulation involves extensive rearrangement of the blastomeres.", "Image ImageDescription": "The cells on one side of the blastula move inward and form a two-layered embryo. The two layers formed are the ectoderm (outer layer) and the endoderm (inner layer).", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}