Classification

• Five advantages of classification

  • Helps identify different organisms and place them in particular groups
  • Helps us to study the organisms more easily and systematically
  • Highlights the relationship between different organisms
  • Studying process of Evolution from Simple to Complex organisms
  • Characteristic of all members can be studied by studying characteristics of a few members
• Definition of classification is the grouping of things on the basis of certain common characteristic.
• The branch of Biology is concerned with the classification of Taxonomy.
• Two types of classification system

  1. Artificial system
  2. Natural system
• Artificial system: Based on the comparison of one or a few easily observed characteristics of a group of organisms.
• Natural system: Based on the comparison of many characteristics of an organism in a group.
• Artificial system: Conveys little information
• Natural system: Conveys much information
• Natural system takes account on characteristics like

  • External and internal structure
  • Growth
  • Development
  • Reproduction
  • Life process