Characteristics of Life

• Nutrition: intake of food into the body and its conversion into new protoplasm. 
  
• Respiration: breakdown of food substances to release energy in cell. 
  
• Movement: ability to move body parts and/or exhibit locomotion. 
  
• Excretion: removal of metabolic waste products formed inside living cells. 
  
• Homeostasis: maintenance of a constant internal environment. 
  
• Reproduction: production of new individuals for the survival of the species. 
  
• Sensitivity: ability to respond to changes in the environment.
  
• Growth: Permanent increase in size with changes in form and structure. 
  
• Adaptability: ability for organism to change so as to improve its chances of survival.
  

Biological system of classification

• Classification: group organisms according to their similarity and differences. 
  
• Natural system of classification:
  

Binomial system of naming species 

• The first name=”Genius” starts with a Capital letter 
  
• The second= “Species” name in small letter 
  
• Species: a group of similar organism within which they can breed and produce offspring that grow, develop and reproduce normally.