1. Levels of Organization

2. Atom Smallest unit of Matter Made of Protons, Neutrons, and Electrons
Examples:
Carbon Atom
Oxygen Atom
Nitrogen Atom
NONLIVING

3. Molecule
Smallest unit of a substance that retains its original properties
Made of multiple atoms of the same element or different elements
Examples:
Carbon Dioxide
Caffeine
Carbohydrates
NONLIVING

4. Video Atoms, Elements, & Compounds

5. Organelle A cell structure with a specific job
Made of compounds such as Carbohydrates, Lipids, Proteins, and Nucleic Acids
Examples:
Ribosome
Chloroplast
Mitochondria
NONLIVING

7. Cell
The SMALLEST thing that meets ALL of the Characteristics of Life; performs all functions of life
Made of Organelles and Molecules
Examples:
Plant Cell
Animal Cell
Bacterial Cell
LIVING

8. Video Introduction to Cells

9. Tissue
A group of cells that work together to perform a common function
Made of cells and cell products (proteins, etc.)
Examples:
Connective Tissue
Muscle Tissue
Nervous Tissue
LIVING

10. Organ A group of tissues working together to perform a common function
Made of 1 or more types of tissue
Examples:
Heart
Liver
Skin
LIVING

11. Organ System
A group of Organs working together to perform a common function
Made of Organs &Tissues
Examples
Digestive System
Cardiovascular System
Skeletal System
LIVING

12. Multicellular Organism
A living thing made of many cells which are specialized to perform different functions necessary for the organism to live
Made of Cells, Tissues, Organs, & Organ Systems
Examples:
Grasshopper
Human
Starfish
LIVING!!!

13. PLANTS HAVE THESE TOO!

14. Video Cells, Tissues, Organs, & Organ Systems

15. Exit Slip
Is water considered living? Why or why not?