<prompt> Ribs develop from ?Endothoracic fasciaPara axial mesenchymeDeep intercostal fasciaSuperficial intercostal fascia  <response>: Ribs which are attached to veebra posteriorly is derived from paraxial mesenchyme which is derived from mesoderm. Mesoderm - Paraxial Mesoderm, Intermediate Mesoderm, Lateral plate Mesoderm Paraxial mesoderem forms somites -sclerotome, myotome and dermatome. Sclerotome forms veebra and ribs. Myotome forms skeletal muscles. Dermatomeforms dermisskin 