1. Ecology
SB4

2. Abiotic
Non-Living

3. Biotic – (Bio=life)

4. Autotroph or Heterotroph???
Biotic
Autotroph
Heterotroph
-Make their own Food
- Also called Producers
-Consume/eat Food
- Also called Consumers

5. Trophic Levels
Troph = Feeding

6. Can be called:
-Food Chain
-Energy Pyramid
-Biomass Pyramid

8. Producers = Most Energy
Bottom of the
Food Chain

9. Consumers
Primary, Secondary, Tertiary

10. Three Types of Consumers
Herbivores
Carnivores
Omnivores

11. Decomposers

12. Food Chain
A food chain is a simplified way to look at the energy that passes from producers to consumers.

13. Food Web!

14. Food Chain vs. Food Web

15. Indicate the Direction of
Food Chain & Food Webs
Use Arrows Correctly!
Indicate the Direction of
Energy Flow in
An Ecosystem

16. Energy Decreases – 10% Rule
10 % transfers to the next trophic level
90% is lost as HEAT

17. BrainPop Video