Biology test

• Movement


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


  The chemical reactions in cells that break down nutrient molecules and release energy for metabolism
• Sensitivity


  The ability to detect and respond to changes in the internal or external environment
• Growth


  A permanent increase in size or dry mass
• Reproduction


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


  The removal of waste products of metabolism and substances in excess of requirements
• Nutrition


  The taking in of materials for energy, growth and development
• Excretion is the removal of what?


  Waste products of metabolism and substances in excess of requirements.