Across
- 2. Organisms need resources to survive
- 4. Maximum healthy ecosystem
- 6. One natural community changing into another
- 9. A measure of number and variety of organisms in location
- 12. First in succession
- 13. Biodiversity Index: Species divided by ___
- 14. Internal body adaptation
- 17. Community of life
- 18. Succession leads to __
Down
- 1. Biggest water body
- 3. Plants making food
- 5. Variety of species in a ecosystem
- 7. The eaten
- 8. Animal acting adaptation
- 10. 1 Reason we explore oceans
- 11. The eater
- 12. _ Succession, Bare rock
- 15. _ Succession, Soil
- 16. Physical adaptation
