Question

What happens during implantation?

A.An embryo grows to about an inch in length.

B.An egg is fertilized.

C.A blastocyst travels to the uterus.

D.A blastocyst attaches to the wall of the uterus.

Answer 1

B. (I'm in natural science and we talked about this yesterday i believe)

Answer 2

Q. What happens during implantation?

A. B) An egg is fertilized.