1. Today’s Agenda…
Bellringer: (Review) What is the difference between a mixture and a compound? Give an example of each.
Card Sort
Notes on Organization of Organisms
Exit Slip

2. The Organization of Organisms
    
Study Pack #7

3. Today’s Goal…
I can describe the levels of organization within an organism.

4. Before we begin… Card Sort
Work with your partner to put the cards in order from simplest (or smallest) to most complex (or largest)
Discuss why you have chosen this order

5. Cell Teamwork
For unicellular organisms the single cell performs all life functions
Bacteria

6. Cell Teamwork
In multicellular organisms cells have special functions and work together for the good of the organism
Plants
Animals

7. Levels of Organization
Cells
Tissues
Organs
Organ Systems
Organisms

8. Cells Basic unit of structure and function in living things
Serve a specific function
Examples
Blood cells
Muscle cells
Bone cells
Brain cells
How do you think these cells are different in structure and function?

9. Tissues Made up of similar cells that work together Examples
Epithelial (skin) tissue
Connective (tendons, ligaments) tissue
Muscle tissue
Nerve tissue

10. Organs
Made up of tissues that work together
Examples
Heart
Brain
Skin

11. Organ Systems Two or more organs that work together Examples
Skeletal System
Muscular System
Nervous System

12. Organisms Living things
However, living things may also just be made up of one cell (bacteria)

13. CELLS
TISSUES
ORGANS
ORGAN SYSTEMS
ORGANISMS

14. One More Step! What makes up cells? What makes up organelles?
Molecules - atoms bonded together
What makes up molecules?
Atoms (elements from the periodic table)

15. Put these in order… From simplest to most complex Organ Cell Organism
Tissue
Organ system
Organelle