Reproductive System

1. A female reproductive cell. (3 letters)
2. A male reproductive cell. (5 letters)
4. The period during which a baby grows inside the mother. (9 letters)
8. Chemicals in the body that control growth and development. (8 letters)
9. The molecule that carries genetic information in cells. (3 letters)
10. A change in a gene that can sometimes cause a difference in traits. (8 letters)
14. period of time when a baby is developing inside the mother. (9 letters)
15. One of the three parts of pregnancy, each lasting about three months. (9 letters)
16. The study of how traits are passed from parents to children. (8 letters)

1. A developing baby inside the mother before it is born. (6 letters)
3. The time when a child's body changes and becomes more like an adult. (7 letters)
5. When no more of a certain kind of animal is alive. (7 letters)
6. A structure in cells that contains genetic information. (11 letters)
7. Animals at risk of becoming extinct. (10 letters)
11. Characteristics or features passed from parents to children. (6 letters)
12. Another word for children or babies of animals. (9 letters)
13. The parts of cells that control how we look and grow. (5 letters)