Complex sentence: The North Carolina Aquariums Division, part of the Nort Carolina Department of Environment and Natural Resources, also operates the North Carolina Aquarium at Fort Fisher and the North Carolina Aquarium on Roanoke Island.
Split into simpler sentences: The North Carolina Aquarium at Pine Knoll Shores is one of three state Aquariums and operated by the Aquariums Division of the North Carolina Department of Environment and Natural Resources. The other two state Aquariums are the North Carolina Aquarium at Fort Fisher and the North Carolina Aquarium on Roanoke Island.