Characteristics of living things
- 1. Living things are made up of units called cells
- 2. Living things reproduce
- 3. Living things are based on a universal genetic code
- 4. Living things grow and develop
- 5. Living things obtain and use materials and energy
- 6. Living things respond to ther environment.
- 7. Living things maintain a stable internal environment
- 8. Taken as a group, living things change over time.