Fascilitated diffusion is an example of passive transport because a protein carrier helps pass a substance through the cell membrane. No energy is required to do this, which is why it is passive. (Active transport involves the expenditure of energy).
I know that It has an amniotic egg so It is either B or C
Your answer will be c. each child receives some traits from each parent
It implants itself to the walls of the uterus (endometrium) by umbilical cord.