Across
- 3. a relationship between a species
- 5. one animal that feeds on a producer
- 6. phyplankton and zooplankton
- 8. what an organism does and how it interacts with biofactors
- 9. special kind of wetland
- 11. envorinmental conditions
- 12. succession a series of more or less predictable changes succession over time
- 14. effect allowing visible light to enter but trapping heat
- 15. any necessity of life
- 16. succession succession that begins in an area with no remnats of an older community
- 17. one organism lives inside or on another organism and harms it
- 18. organism helps the other is neither helped
Down
- 1. the ability to survive and reproduce under a range of envorinmental circumstances
- 2. zone the sunlit region near the surface
- 4. conditions of the earth's atmosphere
- 5. where an organism lives
- 7. species first species to colonize barren areas
- 10. average conditions
- 13. exclusion principle no two species occupy the same niche
- 19. "living together"