BelkisLasseigne BelkisLasseigne
  • 12-05-2015
  • Biology
Answered

We know of species that are no longer living because we have observations. written records. fossil evidence. we do not know this.



Answer :

Halo101 Halo101
  • 12-05-2015
I'm thinking it might be fossil evidence. Hope it helps!  
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