Across
- 5. of measure keep constantly in science
- 6. of life organisms separate them form inanimate objects
- 9. internal conditions keeps the body working
- 10. something that is living
- 12. collection of different ecosystems
- 14. does not change
- 15. little organ
- 16. variable the result of change
Down
- 1. changes the meaning of the word
- 2. combination of two or more atoms
- 3. to environment reacts to environment
- 4. a group of organisms from the same species
- 6. a group of organisms from one or more species
- 7. variable is changed by scientists
- 8. microscope takes light to create an image
- 11. can't be broken down chemically
- 13. Smallest living structure