Which of these correctly describes sexual reproduction?

a)it produces only a single offspring at a time.
b)it needs two parents to form a daughter cell.
c)it needs a single parent to form a daughter cell.
d)it produces offspring that look exactly similar.

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed