Characteristics of living organism

• Excretion


  The removal of toxic materials from organisms, such as the excrection waste products of metabolism e.g. CO₂ and urea
• Respiration


  The chemical reactions that break down glucose molecules in living cells to release energy
• Growth


  A permanent increase in size and dry mass by an increase in cell number or cell size or both
• Movement


  An action by an organism or part of an organism causing a change of position or place
• Nutrition


  The taking in of nutrients and mineral ions, containing raw materials or energy for growth and tissue repair, and absorbing and assimilating them
• Reproduction


  The processes that make more of the same kind of organism
• Control


  Living organisms are able to control their internal conditions, for example their temperature and their sugar levels. This is called homeostasis
• Sensitivity


  The ability to detect or sense changes in the environment (stimuli) and to make responses
• Pathogen


  A microorganism which causes disease
• Pathogens


  • Bacteria
  • Fungi
  • Protocticts