1. Why do organisms need a constant supply of energy?

2. Energy
Forms:
Electrical
Light
Heat
Chemical
Mechanical

3. Energy and Life
Autotrophs- Organisms that make their own food using sun’s energy
Heterotrophs- Organisms which obtain energy from foods they consume

4. How can organisms in a terrarium survive?

6. How is solar energy related to the carbon cycle?

8. ATP Adenosine triphosphate
Chemical fuel which powers cells

9. How is ATP used inside a cell?

11. What is the primary source of energy that flows through most living systems?

12. Trace the energy in a ham & cheese sandwich back to the sun.

13. Ham pig grains sun
Cheese milk cow
grass sun
Bread wheat sun