Across
- 2. the only planet that has life
- 5. a process that everyone passes throught.
- 6. largest planet of the solar system
- 7. the first planet of the solar system
- 9. our galaxy
- 10. any change in the heritable traits
Down
- 1. that planet with rings
- 3. the most important organ of our body
- 4. it has 8 planets
- 8. a dwarf planet