Across
- 1. Undersized; inferior in quality
- 4. Any non-living thing of an ecosystem
- 7. Hard to find; rare
- 8. Near Earth's surface where life can exist
- 11. Consist of all members or the same type
- 13. Made up of all living and non-living things
- 15. Having a rough, irregular surface
Down
- 2. Any living thing of an ecosystem
- 3. Edge of a tectonic plate
- 5. Actions of two or more things that have an effect on each other
- 6. Huge, irregular slabs of the Lithosphere
- 9. A group of living things found in an ecosystem
- 10. A crack in Earth's crust
- 12. To rely for support or maintenance
- 14. Melted rock below Earth's surface