Answer
The flat embryonic disc takes on the cylindrical shape of a tadpole by folding itself into the shape of a tube which causes it to raise itself into the amniotic cavity. Simultaneously, the areas where the head and bottom are folded into the bottom achieving a tadpole shape.
Work Step by Step
The flat embryonic disc takes on the cylindrical shape of a tadpole by folding itself into the shape of a tube which causes it to raise itself into the amniotic cavity. Simultaneously, the areas where the head and bottom are folded into the bottom achieving a tadpole shape.
