1. Levels of Organization

2. Atom
Molecules
Organelles
Cells
Tissues
Organs
Organ System
Organism
Population
Community
Ecosystem
Biome
Biosphere

3. ATOMS
Smallest part of matter
Non-living

4. Atoms Molecule Molecules 2 or more bonded atoms form compounds
Non-living
Atoms
Molecule

5. Organelles
Tiny organs that operate functions in a cell

6. Cell
Made up of organelles
Basic unit of structure & function
LIVING

7. Tissue
The same kind cell working together
Living

8. Organs
Tissues that work together
Living

9. Organ Systems Organs that work together Living Nervous System
Brain, Spinal Cord, etc.
Nervous System

10. Organism Entire living things (organisms) Usually made of systems
May be a single cell
Living

11. Population
Same type of organism living together

12. Community
Several populations living together
Population interact

13. Ecosystem
A biotic (living) community plus the abiotic (nonliving) features

14. Biome
Similar ecosystems on earth together

15. Biosphere Whole living layer around the globe
Includes abiotic features