Across
- 2. this invention allowed us to see cells
- 5. first person to use the word "cell"
- 6. organisms made of more than 1 cell
- 12. form of reproduction where 1 parent is needed
- 13. change to an organism over time
- 14. maintaining an balanced internal environment
- 15. performed the broth and bacteria experiment
Down
- 1. signal that makes an organism respond
- 3. performed the rotting meat and fly experiment
- 4. organisms that need to obtain their food
- 7. organism made of 1 cell
- 8. organisms that can make their own food using the energy from the sun
- 9. the first living thing on Earth
- 10. how organisms find food, shelter and avoid predators
- 11. form or reproduction where 2 parents are needed