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The classification shortcut

The classification shortcut

Flowchart showing how to classify an unknown organism or particle into virus, bacterium, plant, animal, fungus or protoctist using cells, nucleus and key features

Biologists classify organisms by looking for shared features. The quickest first questions are whether the specimen has cells and whether those cells contain a nucleus.

Variety of living organisms Lesson

  1. IGCSE
  2. /Biology
  3. /Variety of living organisms