Which is the term for the process of organ formation in an embryo? . . a. gastrulation. . b. organogenesis. . c. neurulation.

B. Organogenesis 
Is the process of the development of organs in an embryo, therefore the correct answer

As Gastrulation is the initial group and combining of cells into a blastocyst. And Neurulation is the formation of the neural plate and tube to lay the foundations for the nervous system.

Due to the amount of pressure