Basic properties of life.

• Cellular organization:
  all organisms are made of cells.
  
  
• Metabolism:
  all organisms use energy.
  
  
  
• Homeostasis:
  all organisms maintain stable internal conditions.
  
  
  
• Growth and reproduction:
  all organisms grow and reproduce.
  
  
  
• Heredity:
  all organisms possess heritable information about how they look and function.