1. Page 49 # 1 - 4

2. 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

3. 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

4. P49 #2

5. 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

6. 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