Across
- 1. Photosynthesis occurs
- 3. Average conditions over a long period
- 8. success in the area with no previous remnants
- 9. One benefit of is unharmed
- 12. River meets the sea
- 13. Ability to survive in a range of conditions
- 14. One benefits one is harmed
- 16. Dense forest of coniferous evergreens
- 19. One organism benefits and feeds on another
- 20. Sunlit region near the surface
- 21. Disturbance affects without destroying
- 24. Water covers the oil or near the soil
- 25. Conditions that vary over small distances
- 27. On or in rocks
- 28. Animals eat producers
- 29. Series of predictable changes
- 30. Underneath canopy
Down
- 2. First species to colonize barren areas
- 3. Leafy tops of rainforest
- 4. Phytoplankton and Zooplankton
- 5. Not the same niche in habitat
- 6. Living closely
- 7. Benefits from the relationship
- 10. Effect allows visible light in but traps heat
- 11. Day-to-day atmospheric conditions
- 15. What an organism does and how it interacts
- 17. Organisms home
- 18. Competitiveessity of life
- 22. seed-bearing cones
- 23. Formed from decaying leaves and organic matter
- 26. Influence the survival of other species