1. Levels of Organization in Biology

2. Fig. 1.08 Atoms HydrogenOxygen Cells Smallest level of organization living and non-living Example: Hydrogen Atom

3. Fig. 1.08 Atoms Molecule HydrogenOxygen Water Cells Molecule Atoms that bond together are called molecules. Example: Water

4. Fig. 1.08 Atoms Molecule Macromolecule HydrogenOxygen Water Cells Macromolecule More complex (large) molecules Example: Carbohydrates

5. Fig. 1.08 Atoms Molecule Macromolecule Organelle HydrogenOxygen Water Mitochondrion Cells Organelle Parts of the cell »Example: Nucleolus

6. Fig. 1.08 Atoms Molecule Macromolecule Organelle Cell HydrogenOxygen Water Mitochondrion Cells Cell Cells are the basic units of life Example: Red Blood Cell

7. Fig. 1.08 Atoms Molecule Macromolecule Organelle Cell Tissue HydrogenOxygen Water Mitochondrion Cells Tissue cells that work together similar function Example: Muscle tissue

8. Fig. 1.08 Atoms Molecule Macromolecule Organelle Cell Organ Tissue HydrogenOxygen Water Mitochondrion Cells Organ Groups of tissue that work together for a specific purpose Example Liver: removes toxins from body

9. Fig. 1.08 Atoms Molecule Macromolecule Organelle Cell Organ Tissue Organ system HydrogenOxygen Water Mitochondrion Cells Organ System Several organs working together make up an organ system Example –Digestive System

10. Fig. 1.08 Atoms Molecule Macromolecule Organelle Cell Organ Tissue Organ system HydrogenOxygen Water Mitochondrion Cells Organism Organisms are any living creature Example -Elephant

11. Fig. 1.08 Atoms Molecule Macromolecule Organelle Cell Organ Tissue Organ system HydrogenOxygen Water Mitochondrion Cells Population Organism Population Group of similar organisms that live in the same area Example - Elephants

12. Fig. 1.08 Atoms Molecule Macromolecule Organelle Cell Organ Tissue Organ system HydrogenOxygen Water Mitochondrion Cells Community Population Organism Community Different populations that make up the same area Example - Elephant, Zebra, grasses, Trees, Fungi, Bacteria

13. Fig. 1.08 Atoms Molecule Macromolecule Organelle Cell Organ Tissue Organ system HydrogenOxygen Water Mitochondrion Cells Ecosystem Community Population Organism Ecosystem All living and non- living components of an area Example - –Savannah

14. Fig. 1.08 Atoms Molecule Macromolecule Biosphere Organelle Cell Organ Tissue Organ system HydrogenOxygen Water Mitochondrion Cells Ecosystem Community Population Organism Biosphere Planet Earth