1. Characteristics of Life

2. All living things… Are made of cells (& cells can be organized)
Into tissue, then organs etc.
Maintain a balance in their internal conditions called HOMEOSTASIS
Organisms respire (breathe) to maintain levels of oxygen
Excretion gets rid of waste
Also balance body temperature, water balance etc.

3. All living things… Respond to their environment
Organisms react to stimuli—heat, light, gravity, odor etc.

4. All living things…
Obtain and Use energy—METABOLISM
All the reactions that “build” and reactions that “break”
Grow & Develop
Reproduce

5. All living things Change through time (adapt/evolve)
Important for surviving in a changing world and explains the diversity of life forms