Which statement best defines fertilization?
AA fertilized egg that has begun cell division
BThe joining of an egg and a sperm
CThe period of about 40 weeks when a developing embryo or fetus is in the uterus
DThe process by which the uterus contracts to push the fetus out of the woman's body through the vagina
AA fertilized egg that has begun cell division
BThe joining of an egg and a sperm
CThe period of about 40 weeks when a developing embryo or fetus is in the uterus
DThe process by which the uterus contracts to push the fetus out of the woman's body through the vagina