Across
- 3. A tiny structure in a cell that performs many jobs to keep it functioning.
- 8. The identification of a disease or condition by observing symptoms.
- 9. A vent in the crust that erupts magma.
- 11. The atmospheric gases that trap heat near the Earth’s surface.
- 14. A very large molecule,usually a polymer composed of many atoms.
- 15. The process where plants use sunlight, carbon dioxide, and water to create food.
Down
- 1. Is a double membrane organelle containing chlorophyll used for photosynthesis.
- 2. The mass per unit of a volume of a substance.
- 4. A synthetic or natural thread-like structure.
- 5. The remains of a deceased organism.
- 6. A source of potential harm to an area or person.
- 7. Manmade materials and substances.
- 10. The movements within Earth’s crusts that form its structure.
- 12. Branch of Biology that studies heredity.
- 13. The microscopic unit of every living thing.