1. Ecology
SB4

2. Abiotic
Non-Living

3. Biotic – (Bio=life)

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

5. Habitat = Home Where an organism lives out its life
It may change or even disappear from an area
Several species may share the same habitat at the same time

6. Niche = Job The role and position a species has in its environment
What the organism eats, how it survives & reproduces .

7. Each occupies a different Niche

8. Trophic Levels
Troph = Feeding

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

11. Producers = Most Energy
Bottom of the
Food Chain

12. Consumers
Primary, Secondary, Tertiary

13. Three Types of Consumers
Herbivores
Carnivores
Omnivores

14. Decomposers –FBI…

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

16. Food Web:

17. Food Chain vs. Food Web

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

19. Energy Decreases – 10% Rule
10 % transfers to the next trophic level
90% is lost as HEAT (ex include: metabolism, indigestible or unusable materials)

20. Types of Ecological Pyramids
Food – food chain
Biomass – amt. biomass at each trophic level
Energy – energy transfer
Numbers – amt. of organisms at each trophic level

21. BrainPop Video