Across
- 4. Raising and breeding organisms
- 6. A species that is likely to become
- 7. part of its range
- 12. The process by which the land
- 15. Area near a river’s course that is
- 17. A type of tree that produces seed-bearing cones
- 19. Found only in a particular region
- 22. soon throughout all
- 25. and biotic conditions
- 26. water toward the surface
- 27. A type of tree that loses its leaves and stops photosynthesis during part of the year
- 29. A deep, sleeplike state that an animal enters for most of the winter
- 33. Areas of land flooded with water at least part of the year
- 34. The disappearance of a particular
- 35. A plant that grows on other
- 38. A dense covering of tall trees in the rain forest that reaches heights of 50 to 80 meters above the ground
Down
- 1. periodically
- 2. Day-to-day conditions in Earth’s atmosphere
- 3. Underground soil that remains frozen year-round
- 5. controlled areas
- 8. Average conditions,including temperature and precipitation,over long periods of time in a given area
- 9. instead of the soil
- 10. the amount of dissolved salt present in water
- 11. separated into smaller
- 13. from a given area, but
- 14. The vertical flow of cold, nutrient-
- 16. that are not connected
- 18. A deep, sleeplike period of dormancy experienced by some animals when conditions are dry
- 20. The variety of life across all levels
- 21. Shorter trees and plants that are
- 23. A species that has a high risk of
- 24. Diagrams that summarize an area’s average monthly temperature and precipitation
- 28. of the rainforest canopy
- 30. ecological organization
- 31. Illegally killing or capturing an
- 32. a group of ecosystems that share similar
- 36. is suitable for wildlife
- 37. of the entire species globally