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An Address for Living Beings

  • Classification and evolution
    • Primitive organism or lower organism has a simple body structure and ancient body design
    • Advanced organism or higher organism has a complex body structure and organisation
    • Evolution - The process of gradual and continuous change in primitive or simple organisms to give rise to advanced organisms
    • Biodiversity - The variety of life forms present in various ecosystems
  • Hierarchy of classification
    • The hierarchical arrangement of various taxonomical categories in descending order is: Kingdom → Phylum (for animals)/ Division (for  plants) → Class → Order → Family → Genus →Species.
    • Mnemonic to learn this hierarchy: Kids Prefer Cheese Over Fried Green Spinach
    • Species is the basic unit of classification 
    • Carolus Linnaeus developed the hierarchy o…

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