Documents Nitrogen Cycle

Atmosphere 78% of the atmosphere is nitrogen Plants and animals cannot use the nitro gen in the atmosphere Nitrogen-fixed bacteria The nitrogen from the atmosphere turns…

Documents CHAPTER 1 Nutrient Cycles and Energy Flow In this chapter, you will: explain that life depends on...

PowerPoint Presentation CHAPTER 1 Nutrient Cycles and Energy Flow In this chapter, you will: explain that life depends on recycled matter describe the processes of photosynthesis…

Documents I. Biogeochemical cycles

I. Biogeochemical cycles The Carbon Cycle A. The carbon cycle i. The global movement of carbon between organisms and the abiotic environment is known as the carbon cycle…