1. The study of ecosystems
Ecology
The study of ecosystems

2. Levels of organization
Small to big

3. Atoms

4. Molecules

5. Macromolecules

6. Organelles

7. Cell

8. Tissue

9. Organ

10. System

11. Organism
One individual

12. Organization in ecosystem
Organism – one individual
Population – same species in one area

13. Levels of organization
Population – All the same species in one area
Community – All the populations in an area

14. Levels of organization
Community – All the species in an area
Ecosystem – All the communities and abiotic factors in an area

15. Levels of organization
Ecosystem – All the communities and abiotic factors in an area
Biome – A region of earth with similar ecosystems

16. Levels of organization
Biome – A region of earth with similar ecosystems
Biosphere – Thin layer surrounding earth that contains ALL Biomes and ecosystems

17. Biotic factors
ALL plants, animals and other life (Even microscopic) in an area

18. Abiotic factors Non-living environmental factors Temperature Wind
Water
Sunlight
Rocks
Soil

19. Autotrophs – producers
Transform inorganic energy (light) into chemical energy

20. Heterotrophs - consumers
Organisms that must obtain their energy by eating other organisms

21. Niche
The role an organism fills in its community
Its “job”

22. Niche determined by Habitat Place in food chain Specific food types
When they eat or hunt

23. Great horned owl and red tailed hawk have different niches
Both eat small rodents
Both live in same area
BUT
owls hunt at night,
hawks hunt during day