In what year did the German democratic republic and the federal republic of Germany unify. what kind of government was form ?

Ithink i might know wait one second let me serve

Conditions are more like living on  land  for creatures in the upper part of the intertidal, which is only covered with  water  at extreme high tide, so life is easier on land. conditions are more like living in the ocean for creatures in the lower part of the intertidal which is only exposed to air at extreme low tide. so basically it both worlds of land and ocean.