Across
- 8. when an ecosystem forms from a disaster
- 10. when a something rots or decomposes
- 12. when everything is balanced and stable
- 13. the upper layer of earth where plants grow
- 14. population where all the plants and animals are stable
- 15. energy from the sun
Down
- 1. when a plant uses the sun to make food
- 2. a substance formed from many minerals
- 3. A substance that provides nourishment for growth
- 4. the variety of life in an ecosystem
- 5. The first organism during succession
- 6. the process where a ecosystem forms with nothing but rocks
- 7. an area where many things thrive together
- 9. a state where opposite forces are balanced
- 11. A home or environment of an animal