1. Carbon & oxygen cycles & energy
UNI
Life: The Natural World 2009

2. build plants and animals
Plants: overall
light energy
H2O
CO2 O2
build plants and animals
sugar CH2O

3. Inside plant cells: day Store sugar or use sugar to build more plant
atmosphere
CO2 O2
light energy
Photosynthesis (plants only)
Store sugar or use sugar to build more plant
sugar CH2O
CO2 O2
Respiration (all cells)
H2O
ATP (cell fuel)

4. Inside plant cells: night
atmosphere O2
CO2
Respiration (all cells)
sugar CH2O stored in plant
H2O
ATP (cell fuel)

5. use sugar to build more plant
Inside plant cells: overall
atmosphere
CO2 O2
light energy
use sugar to build more plant
Photosynthesis (plants only)
sugar CH2O
CO2 O2
Respiration (all cells)
H2O
ATP (cell fuel)

6. Respiration (all cells)
Inside plant cells: overall
atmosphere O2
CO2
Respiration (all cells)
sugar CH2O stored in plant
H2O
ATP (cell fuel)

7. store food (fat) and build more animals
Animals: overall
atmosphere
heat
CO2 O2
store food (fat) and build more animals
activity
eat food (sugar)

8. Respiration (all cells)
Animals: inside cells
(just like plants at night)
atmosphere O2
CO2
Respiration (all cells)
sugar CH2O stored in fat or eaten from plant
H2O
ATP (cell fuel)

9. Fossil fuels atmosphere ancientplants O2 CO2 heat Fossil fuel burning
oil gas
coal

10. Plants and animals overall
light energy
build plants
H2O
Sugar, etc. CH2O
CO2 O2
activity
heat
build animals
Sugar, etc. CH2O
activity

11. Plants, animals and fossil fuel overall
light energy
build plants
H2O
Sugar, etc. CH2O
CO2 O2
oil gas
coal
Sugar, etc. CH2O
Sugar, etc. CH2O
heat
build animals
activity
CO2 O2
Fossil fuel burning