Across
- 2. the action of breathing.
- 7. amount of energy that moves through a food chain
- 9. the surface beneath the ground.
- 11. flow or leak through small holes
- 12. When energy is transformed from one form to another
- 14. community of living organisms in conjunction with the nonliving components of their environment, interacting as a system
- 16. a very large area of water/sea
- 21. a molecule that contains a genetic code
- 23. organisms that eat primary consumers for energy.
- 25. action or process of precipitating a substance from a solution.
- 27. meaning "meat eater"
- 28. a part of area on earth's surface that has no water
- 29. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.
- 30. becomes less hot
- 31. solid surface of the earth
- 33. a chemical element with the symbol N
- 35. water which collects as droplets on a cold surface
- 38. a substance that is diffused into the air
- 41. a large natural stream of water.
- 42. Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers
- 43. a substance that is formed of two or more elements
- 44. high temperature
- 45. the precipitation that falls on land and flows back into water
- 47. a particularly group of animals
- 48. are herbivores, feeding on plants.
- 49. H2O
- 50. individual ice crystals that grow while suspended in the atmosphere
Down
- 1. human beings include-nutrition, respiration, digestion, excretion, reproduction, metabolism and transportation.
- 2. moisture condensed from the atmosphere that falls visibly in separate drops.
- 3. get there energy from primary consumers
- 4. is a form of precipitation consisting ice pellets
- 5. is an animal anatomically and physiologically adapted to eating plant material
- 6. graphical representation designed to show the biomass or bioproductivity at each trophic level in a given ecosystem.
- 8. The movement between nitrogen through the earth
- 10. the process by which nitrogen is released into the soil
- 12. energy is stored within cells
- 13. a small narrow river
- 15. is someone who creates and supplies goods or services.
- 17. the gases that surrounding the earth
- 18. microscopic germs
- 19. The water cycle describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation
- 20. natural substance that contains amino acids
- 22. the highest level of the energy pyramid
- 24. water that falls and flows into streams or water.
- 26. a natural electric charge form in clouds
- 32. trees/use photosynthesis
- 34. a substance that has no form or shape
- 36. cells, organisms the need nitrogen to build protein
- 37. The process by which bacteria in soil goes to nitrogen
- 39. to cause change in form
- 40. the process of turning from liquid into vapor.
- 46. natural world encompasses all living and non-living things occurring naturally