Across
- 3. species that is found in its origin location
- 6. spots on the ocean floor where hot minerals released from ground
- 10. light shows
- 13. tidal mouth of a large river
- 14. increase of the worlds average temp
- 15. number of people is larger than the capacity
- 18. number of different species in an area
- 19. influences the survival of other organisms
- 20. no light
Down
- 1. species not originating from the locations it is at
- 2. fungus/photosynthetic organism, often the first in primary succession
- 4. first species to populate an area
- 5. starts from rock, no life
- 7. destruction of forests
- 8. a stable community that don't go through major changes
- 9. release of harmful material into the environment
- 11. starts from a disrupted ecosystem
- 12. biome in water
- 16. interrelated food chains
- 17. group of ecosystems with similar climates and organisms