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Author: Rebecca Newburn

Living organisms are organized into three main categories called Domains.

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Developing Effective Teams

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Before You Start

  • How is life categorized?
  • What are the three domains?
  • What domain are humans in?

All of life is organized into three domains: Bacteria, Archaea (or Archaeabacteria) and Eukarya. Within the Eukarya are four Kingdoms: Protista, Fungi, Plantae & Animalia.


Watch ONE or both videos to help you understand about domains of life.

Source: Educational Tree of Life

Source: Ricochet Science