1. Notes: Characteristics of Life

2. Is It Alive? Biotic - living Abiotic - non-living
1. Cellular Organization - made up of cells
2. Metabolism uses energy to grow and move
3. Homeostasis maintains relatively stable internal conditions (blood pressure/heart beat)
4. Reproduction make new organisms
5. Heredity pass on genetic information to offspring

3. .
Cell Theory...

4. 1. All living things are made of cells.
Unicellular - made of only one cell.
Bacteria
Most Protozoans
Multicellular - made of lots of cells.
Most Fungi
Plants
Animals

5. 2. Cells are the basic unit of structure and function.
Muscle cells – movement, structure
Bone cells - structure
Skin cells - protection
Nerve cells - sensors
Fat cells - warmth

6. 3. All cells come from pre- existing cells.
Sperm from dad
Egg from mom
Fertilized egg (zygote)