1. Characteristics of life
Note #2

2. Learning Goals What are the basic building blocks of life?
Do living things have all the characteristics of life? Explain with examples.
Can non-living things still have one or more of the characteristics of life? Give an examples.

3. Characteristics of Living Things
1. Growth and Development
Undergo changes in size & shape in a process called maturation
2. Acquire Energy
Obtain & use energy (sunlight, food) to power activities (growth, movement, repair)
3. Reproduction
Give rise to offspring – sexually OR asexually

4. Characteristics of Living Things
4. Responsiveness
Respond and adapt to the environment
Escape predators, move towards light, migrate for food)
5. Order & Organization
Composed of cells

5. Living or Not?
Living
Must satisfy ALL of the characteristics to be considered living
Non-Living
If only a few characteristics satisfied, it does not mean it is living
Dead
Was once living

6. Is a Volcano alive? Characteristics G & D ENERGY REPRODUCTION
RESPONSIVENESS
O & O

7. Is Wall-e alive?

8. The Cell Theory

9. Cell Theory All living things are made up of cells.
The cell is the basic structural and functional unit of life.
All cells arise from pre-existing cells.

10. Modern Cell Theory
Cells contain DNA which is passed on from cell to cell
All cells are basically the same in chemical composition
All basic functions are carried out inside the cell
Cell activity depends on the organelles found inside the cell

11. Learning Goals What are the basic building blocks of life?
Do living things have all the characteristics of life? Explain with examples.
Can non-living things still have one or more of the characteristics of life? Give an examples.