1. The Characteristics of Life

2. Living vs. Non-Living Living things are made up of cells.
Non-living things are not made up of cells.

3. A Tale of Two Dogs
Jennifer’s Dog
Meredith’s Dog

4. Jennifer’s Dog
Meredith’s Dog
Make a list of all the things that Jennifer and her dog will do that Meredith and her dog won’t do.

5. Organisms
An organism is anything that has or once had all of the characteristics of life
Can be made of one cell – unicellular
Example: Bacteria, Ameoba, Paramecium
Can be made of many cells – multicellular
Example: Fungi, Plants, Animals

6. Characteristics of Living Things
Life functions – processes carried out by all living things that are necessary for life.
If the organism’s cells perform ALL of the life functions, the organisms is considered to be alive.

7. 1. Nutrition
Creating or taking in food to get energy

8. 2. Transport
Moving things around inside a cell or organism

9. 3. Respiration
Completing chemical reactions to get energy stored in food

10. 4. Excretion
Eliminating waste products

11. 5. Synthesis
Making simple molecules into more complex ones

12. 6. Growth
Increasing the size or number of cells

13. 7. Locomotion
Moving from place to place

14. 8. Reproduction
Producing organisms of the same type

15. 9. Regulation Controlling all the activities of the organism
To maintain homeostasis