The characteristics of life include:
- Reproduces
- Uses and creates energy (metabolism)
- Is made of cells
- Maintains homeostasis
- Responds to its environment
The items "Has a brain," "Has blood," and "Is able to move" are not universally applicable to all living organisms, as not all life forms possess these traits (e.g., plants do not have brains or blood, and some microorganisms do not move in a traditional sense).