IGCSE Science/Section 1: The nature and variety of living organisms/Characteristics of living organisms

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An organism is an individual animal, plant or other living thing. All organisms share some characteristics:

  • they move
  • they respire
  • they respond to their surroundings
  • they control their internal conditions
  • they grow and develop
  • they reproduce
  • they excrete their waste
  • they require nutrition

You can remember these by using the mneomic MRS C GREN:

  • Move
  • Respire
  • Sense
  • Control
  • Grow
  • Rreproduce
  • Excrete
  • Nutrition