Answer the following questions/statements (each number should have a response):

1: During photosynthesis, six molecules of carbon dioxide react with six molecules of water to produce what?

2: The hydrosphere brings carbon into what type of reservoir?

3: Where can you find the largest source of stored carbon?

4: What key macromolecules are made out of carbon? (hint: carbohydrates and lipids are two of the molecules)

5: Where do photosynthetic chemical reactions occur?

6: Name the 4 reservoirs that make up the carbon cycle

a. ____________

b. ____________

c. ____________

d. ____________

7: Why do we use models to show the carbon cycle?