Page 49 # 1 - 4

List four important biogeochemical processes that cycle nutrients. (Look at the section 2.3 subtitles) Water cycle Carbon cycle Oxygen cycle Nitrogen cycle Page 49 #1

p. 49 #2 Compare and Contrast two of the cycles of matter. The four are water, carbon, oxygen, and nitrogen. Let’s Compare the water cycle and the carbon cycle… p. 49 #2

P49 #2

Explain the importance of nutrients to an organism of your choice. I need nutrients to grow and remain healthy. Calcium hardens my teeth and bones. Vitamin C helps my immune system fight wintertime illnesses like colds and coughs. P.49 #3

Describe how phosphorus moves through the biotic and abiotic parts of an ecosystem. Biotic: living: land animals, decomposers, and aquatic animals Abiotic: nonliving: phosphates in solution, rocks and minerals, precipitates p.49 #4