Across
- 4. moving of sediment
- 6. breaking of sediment
- 7. chemical change
- 8. dropping of sediment
- 9. river with sediment collides with ocean
- 10. a poineer species for 1st succession(not moss)
- 13. succession that takes longer
- 15. ecological region
Down
- 1. succession that is shorter
- 2. change by living things
- 3. first species for a new place
- 5. physical change
- 11. rust
- 12. water breaks sediment
- 14. remaining of broken rock