Memory Anchor:

• Super Challenge:

  Stretch:

  Challenge:

Key Questions:

1. What is the ball of cells called when a zygote divides to copy itself?
   • The zygote divides and copies itself to produce a ball of Cells called a embryo.
2. What happens to the embryo for a women to become pregnant?
   • A women becomes pregnant when the embryo implants in the blood rich lining of the Uterus.
3. What does an embryo develop into?
   • The embryo develops into a Fetus.
4. What does the placenta do?
   • The Placenta allows substances to cross from the mother's blood into the fetus and vice versa.
5. What is the gestation period?
   • The gestation period is the time spend developing in the uterus.