Across
- 3. example of abiotic part of the environment
- 6. crabs,shrimp,heron,and oyster are part of a
- 9. when a field is left untouched
- 11. whole area of Earth where life exists
- 13. physical things in the environment(water,rock)
- 14. part of the fourth stage of succession
- 15. community of organisms and abiotic environment
Down
- 1. all the organisms in the environment
- 2. fifth stage of primary succession
- 4. orderly changes of an ecosystem
- 5. pioneer species
- 7. part of the third stage of primary succession
- 8. common weed in early secondary succession
- 10. all the populations of different species
- 12. system where forces are balanced