A Quick Review ' ' ' And some new stuff

1
A Quick Review . . .And some new stuff

• Learning Goal
• Define Basic Energy Concepts
• Identify trophic levels in an ecosystem and how
  the energy is passed from one level to the next.

2
Match these terms with the correct definitions.

• 1. Anything that has mass and takes up space.
• 2. The ability to move matter around.
• 3. One of the two major types of energy - Energy
  of motion.
• 4. One of the two major types of energy - Stored
  Energy.
• 5. A system where energy does not
• enter or leave.
• A system where energy enters
• and leaves at different rates.
• 7. A system where energy enters
• and leaves in equilibrium.
• 8. The law stating that matter can
• be neither created or
• destroyed, only rearranged.
• 9. The law stating energy can be
• neither created or destroyed,
• only transformed.

A. Conservation of Mass B. Open System C.
Closed System D. Potential Energy E. Energy F.
Matter G. Conservation of Energy H. Steady
State System I. Kinetic Energy
3

• F
• E
• I
• D
• C
• B
• H
• A
• G

4
A FEW NOTES
ENERGY FLOW IN NATURE

• ENERGY IS TRANSFERRED FROM USER TO USER
• NO MORE THAN 10 OF AVAILABLE ENERGY IS
  TRANSFERRED TO THE NEXT USER
• WHENEVER ENERGY IS USED, SOME ENERGY IS LOST AS .
  . .
• THERE CAN NEVER BE 100 USE OF ENERGY
• IN NATURE, THE IS THE ORIGIN OF ALL ENERGY

HEAT
5

• THE FLOW OF ENERGY IN NATURE

WOW ! Im famished. And what do we have here ?
OH ! NOOOOO !
6
A FOOD WEB OF HERBIVORES AND CARNIVORESAND . . .
DECOMPOSERS