BIOGEOCHEMICAL CYCLE

3. begins with the weathering of rocks, releasing the stored sulfur
6. means life
9. provides nutrients for the growth of plants in the swamp
11. inorganic compounds made up of nitrogen and oxygen
13. organism that eats dead
14. cycle which travels from the atmosphere into organisms on the Earth and then back into the atmosphere
15. the movement of water through the soil
18. comes into contact with air where it is converted into sulfate
20. characterized by low atmospheric pressure and heavy rain
21. means earth
22. cycle that helps to shield the Earth from the majority of harmful ultraviolet radiation
23. wide-ranging changes in rainfall patterns, average temperature, etc
24. most carbon is stored in rocks and sediments
25. cycle that describes the continuous movement of water

1. helps keep heat from escaping into space
2. plants absorb _______ when it is dissolved in water
4. the process of water vapor being released from plants and soil
5. when water falls from the atmosphere back to the land
7. this inorganic _________ is then distributed in soils and water
8. series of changes in form that an organism undergoes, returning to the starting state
10. result of human-caused global warming
12. first step of the water cycle
16. in order to move through the different parts of the cycle, this cycle must change forms
17. the layer of air that surrounds the Earth
19. matter within ecosystems is recycled