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First life on earth (Protistsuploaded image (trilobites uploaded image…

- - - - Sea Squirt
      - Sea Star
        
        Mollusks
        
        flatworms
        
        segmented worms
        
        millipede
        
        scorpions
        
        Spider
        
        1 more item...
        
        ticks
        
        birds
        
        2 more items...
        
        Reptiles
        
        frogs
      - Jellyfish !
      - Jawless fish
  - - - sharks
    - - crabs
- - - - Ferns
        
        Conifer
        
        Cycads
        
        Horsetails
        
        flowering plants
      - Gingko