4/20 Matter Cycling in Ecosystems

Question 1

Reservoir

Answer 1

area where carbon can be stored and exchanged with other reservoirs

not long term permanent storage

Question 2

Types of Reservoires

Answer 2

1. Atmosphere (active)
2. Terrestrial (active)
3. Ocean (inactive/active)
4. Sedments (inactive but active with human use)

Question 3

Photosynthesis

Answer 3

solar energy+12 water+6 carbon dioxide —> 1 carbohydrate+6 water+6 oxygen

Question 4

Eutrophication

Answer 4

• process where excess nutrient (typically nitrogen from farming) gets into freshwater, wreking havoc on the ecosystem
• the algae in the water grows too much, and will leave a huge coat on the surface of the pond
• this prevents proper decomposition bc plants on the bottom are dead