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    • #16981
      spirates
      Participant

      any biologi pros here that want to help me with my Zoologi homework which i totally forgot about so i wont fail :<? Starting with the strangest question i dont understand at all..

      What are the oldest biological structures we can see with our eyes? What organisms produce them?

    • #112829
      JackBean
      Participant

      probably some fossils

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