Across
- 2. cycle- carbon moves through organisms
- 4. -event that changes ecosystem
- 5. cycle- the movement of water between things
- 7. cycle- the movement of nitrogen
- 10. chain-path of energy transfer from producers to consumers
- 13. web- shows the feeding relationships
- 14. - low average temps and very low precipitation
- 17. process organic matter and nutrient builds up in lake
- 18. anything that has mass and takes up space
- 19. of conservation of mass- stats mass cannot be created or destroyed
- 20. of energy to an object, caused by using a force to move object
- 22. area of land that is soaked with water
- 24. pyramid- tool that can be used to trace the flow of energy
- 27. - eats both planets and animals
- 28. slow replacement of an ecological community
- 29. species-the first organisms to live in an uninhabited area
- 33. only planets
- 34. uses energy to make food
Down
- 1. other animals
- 3. body of water formed where a river flows into an ocean
- 6. number and variety of species that are presentation an area
- 8. push or pull
- 9. region of earth where the climate determines what taige - low average temps but more precipitation
- 11. trees- trees with evergreen, needlelike leaves
- 12. the place where organisms live
- 15. a biome that has grass and very few trees
- 16. of conservation of energy- stats energy cannot be created or destroyed
- 21. transformation- takes place when energy changes from one form to another
- 23. trees- roundleaf trees that drop their leaf when winter is coming
- 25. very dry area
- 26. energy by breaking down other organisms
- 30. community of living organisms and their nonliving environment
- 31. to cause change in system
- 32. other organisms