Across
- 4. A tree that produces its seeds in cones and needle shaped leaves
- 5. The study of were organisms live.
- 6. The process of changing free nitrogen gas into a usable form
- 7. an extremely cold dry biome
- 8. The typical weather pattern in an area over a long period of time
- 9. the area betwean the highest high-tide and lowest low-tide line
- 12. A grope of land ecosystems with smaller climates and organisms
- 13. A tree that sheds it leaves and grows new ones
- 15. The region of shallow ocean water over the continental shelf
- 16. a grassland close to the equator that receives as much as 120 cm of rain per year
- 17. an area were grass and other non woody plants grow
- 18. habitat were fresh water meets salt water
- 19. an area that receives less than 25 centimeters per year.
Down
- 1. The movement of organisms from one place to another
- 2. A leafy roof formed by tall trees in the forest.
- 3. soil that is frozen all year
- 4. The very slow movement of the continents.
- 10. A diagram that shows the amount of energy transferred from feeding level to another.
- 11. A spices that is carried to a new location by people
- 14. layer of shorter plats that grow in the shade of the forest canopy
