Across
- 4. "If, then" question that can be tested
- 9. Diagram showing all feeding relationships (2 words)
- 10. Force of air pushing down on us due to gravity (2 words)
- 12. Weather front that doesn't move; blue triangles & red circles
- 13. Succession that begins with soil already present
- 15. Second most common element in the atmosphere
- 17. Area of the planet classified by the plants and animals it contains
- 22. Most common element in the atmosphere
- 23. All members of one species in one area
- 25. Layer of atmosphere where all weather happens
- 27. Anything that limits the size of a population (2 words)
- 28. Relationship where host is harmed, other organism benefits
- 29. Type of community present when succession ends; usually trees
- 30. Climatographs show the temperature and ___________ of a biome
Down
- 1. Role an organism plays in its habitat
- 2. Boundary between mesosphere and thermosphere
- 3. Number of organisms an area can support (2 words)
- 5. Population of organisms that can reproduce & have offspring that can also reproduce
- 6. Long-term weather patterns of an area
- 7. Succession that does not begin with soil present
- 8. Specific atmospheric conditions that change each day
- 11. Slow recovery of an ecosystem after a disturbance
- 14. Scientific term for an organism that eats other organisms; consumer
- 16. Number of different species in an environment
- 18. First species to move into a new environment
- 19. Protects Earth's surface from UV radiation; in stratosphere
- 20. Species not native to an area harming biodiversity
- 21. Levels on energy pyramid based on how much energy the organism has(2 words)
- 24. Relationship where both species benefit
- 26. All members of all species in one area