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First life on earth? (Green Algae (Mollusks (Scorpions (Ticks, Spiders,…

- - - - Flowering Plants
        
        Liverworts
      - Cycads
  - - - Jawless Fish
        
        Armored Fish
        
        Crabs
        
        Bony Fish
        
        Sharks
        
        Reptiles
        
        Ginkgoes
        
        Frogs
        
        Mammals
        
        Dogs
        
        Humans
        
        Birds
      - Sea Squirt
    - - Segmented Worms
      - Millipedes
  - - - Ticks
      - Spiders
      - Grasshoppers