Across
- 2. The moment a new human leaves the mothers body
- 4. Union between male and female gametes
- 6. Name of the cell formed by fertilisation
- 7. Male gametes
- 10. Reproduction that requires two parents
- 11. Female gametes
Down
- 1. means embryo develops inside the mothers uterus
- 3. Anatomical differences between sexes
- 5. _____ development lasts 9 months in humans
- 8. Reproduction that only requires one parent
- 9. Process the body goes through to gain sexual maturity