sentences:  Forests of the Iberian Peninsula
  
  The woodlands of the Iberian Peninsula are distinct ecosystems on the Iberian Peninsula (Spain and Portugal).Although the various regions are each characterized by distinct vegetation, the borders between these regions are not clearly defined, and there are some similarities across the peninsula.It is now known that the Mediterranean Sea went through great changes in sea level and variations in the relative positions of the continental plates of Europe and Africa.