Complex sentence: The Charles Darwin Research Station (CDRS) is a biological research station operated by the Charles Darwin Foundation, and located in Puerto Ayora on Santa Cruz Island in the Galapagos Islands, with satellite offices on Isabela and San Cristóbal islands.
Split into simpler sentences: The Charles Darwin Research Station (CDRS) is a biological research station operated by the Charles Darwin Foundation. It is located in Puerto Ayora on Santa Cruz Island in the Galapagos Islands, with satellite offices on Isabela and San Cristóbal islands.