1. Characteristics of Living Things

2. ORGANISM
Things that are alive
Any living thing is an organism

3. Non-living Living or Non-living Living Never living to begin with
Meets all characteristics of living things
Dead: used to be living
Non-living
Never living to begin with

4. Characteristics of Living Things

5. CELLS All organisms are made up of cells (tiny building blocks)
Unicellular: Single-celled organisms (bacteria)
Multicellular: Organisms that are made up of many cells (plants)

6. Are made up of chemicals
Water
Carbohydrates
Proteins
Lipids
Genetic material (DNA)
Living things must find ways to keep the chemicals balanced (HOMEOSTASIS)

7. Use Energy All organisms need nutrients and water for energy
Some organisms make their own food (AUTOTROPHS)
Plants
Some organisms can not make their own food (HETEROTROPHS)
Animals

8. RESPOND to the ENVIRONMENT
All organisms react to changes in their environment or a STIMULUS
Organisms react to a stimulus with a response

9. GROW & DEVELOP
All organisms change and become more complicated as it grows

10. REPRODUCE
All organisms need to reproduce to keep their species alive