B1

B1: Characteristics of living organisms

• Movement
  • Action by an organism causing a change of position or place
• Respiration
  • Chemical reactions in cells that break does nutrient molecules and release energy
• Sensitivity
  • Ability to detect and respond to changes in the environment
• Growth
  • Permanent increase in size
• Reproduction
  • Process that make more of the same kind of organism
• Excretion
  • Removal from organism of toxic materials and substances in excess of requirements
• Nutrition
  • Taking in of materials for energy, growth and development

Mnemonic: MRS GREN