1. Biological Organization tutorialOrganization

2. The Characteristics of Life

3. MADE UP OF CELLS

4. Multi-cellular Uni-cellular MADE UP OF CELLS

5. RESPONDS TO A STIMULUS

6. TAKE IN/USE ENERGY

7. LIVING THINGS HAVE A METABOLISM Main Entry: me·tab·o·lism Pronunciation: m&-'ta-b&-"li-z&m Function: noun A balance between catabolism (breaking down products) & anabolism (creating new products)

8. LIVING THINGS MUST MAINTAIN HOMEOSTASIS HOMEOSTASIS Main Entry: ho·meo·sta·sis Pronunciation: "hO-mE-O-'stA-sis to maintain a stable state of body systems, keep a balance in health Ex. Blood sugar, Heart rate, breathing, blood cholesterol, weight

9. Blood sugar needs to maintain a Set Point. Think of it as Carrying Capacity for your body Normal value set point

10. Feedback Loops

11. Feedback Loops short videoLoops Negative feedback loops- responds to change returning to original state, or decreasing the rate at which the change is occurring. Trees take in CO2. As CO2 rises, they can take in more to reduce CO2 levels Positive feedback loops- responds to change by increasing rate the change is occurring. Ice melt in arctic-reduces reflection of heat energy, increase ice melt

12. Example of negative feedback Most body systems rely on negative feedbacks 4.5feedbacks

13. LIVING THINGS GROW & DEVELOP

14. LIVING ORGANISMS REPRODUCE placental budding fission

15. LIVING ORGANISMS REPRODUCE Main Entry: spe·cies Etymology: –Middle English, from Latin, appearance, organisms that live in the same area & can produce fertile young MULE- A CROSS BETWEEN A DONKEY & A HORSE NOT A TRUE SPECIES

16. ADAPTATION 2 species of fox

17. EVOLVE CHANGE OVER TIME