Across
- 3. Related to life
- 5. Place where living beings live.
- 7. Main chemical substance in Life.
- 8. A tree belongs this kingdom.
- 9. Fatty acids.
- 11. Damage the air,water,or land with substances
Down
- 1. Variety of life on Earth.
- 2. Nucleic Acid.
- 4. Inorganic substance.
- 6. Instrument for looking small things.
- 10. Smallest unit of life.
- 12. Groups of cells with the same function.