Question:  Botanic Park, Adelaide abuts the zoo that is administered by what group?

Context paragraphs:
Adelaide Zoo: Adelaide Zoo is Australia's second oldest zoo (after Melbourne Zoo), and like other leading zoos in Australia, including Melbourne Zoo, Taronga Zoo, and Perth Zoo it is operated on a non-profit basis.  It is located in the parklands just north of the city centre of Adelaide, South Australia.  It is administered by the Royal Zoological Society of South Australia Incorporated (trading as Zoos SA) which is a full institutional member of the Zoo and Aquarium Association (ZAA) and the World Association of Zoos and Aquariums (WAZA).  and which also administers the Monarto Zoo near Murray Bridge.

Mount Lofty Botanic Garden: First opened in 1977, the crescent-shaped Mount Lofty Botanic Garden is situated on 97 hectares on the eastern slopes of Mount Lofty in the Adelaide Hills east of Adelaide in South Australia.  The cooler, wetter location suits plants from temperate climates which are difficult to grow on the Adelaide Plains.  Amongst the native Australian flora there are tree ferns, as well as exotic cultivated plants from cool climates including Rhododendron and Magnolia and the National Species Rose Collection.  The Mount Lofty Botanic Garden, together with the Adelaide and Wittunga Botanic Gardens, is administered by the Botanic Gardens of South Australia, a State Government statutory authority.

Wittunga Botanic Garden: The Wittunga Botanic Garden is one of three Botanic Gardens in Adelaide, South Australia administered by the Botanic Gardens of South Australia, a State Government statutory authority; the other two are the Adelaide Botanic Garden located in the inner city's parklands, and the Mount Lofty Botanic Garden.  The Wittunga garden is located on Shepherds Hill Road, Blackwood, on the western scarp of the Adelaide Hills.

WOMADelaide: WOMADelaide is an annual four-day festival of Music, Arts and Dance, which was first held in 1992 in Botanic Park, Adelaide, South Australia.  Part of the WOMAD festivals organisation, WOMADelaide aims to excite, to create, to inform and to highlight awareness of the worth and potential of a multicultural society.  The festival encourages people to experience the music of cultures other than their own as a way of developing global understanding, and aims to entertain all age groups and people from all backgrounds.  WOMADelaide has won the Helpmann Award for "Best Contemporary Music Festival" in 2008 and 2016, the Australian Event Awards "Best Cultural, Arts or Music Event" in 2015, and the Fowlers Live / SA Music Awards "Best Live Music Event" for 5 years in a row, 2012 - 2016.

Torrens Linear Park: The Torrens Linear Park was completed in 1997 as the first of its kind developed in Australia where it is the largest hills-to-coast park.  It began as a flood mitigation scheme along the River Torrens running westward from the Adelaide Hills, through the Adelaide metropolitan area, to the sea.  Cyclists and walkers can use a trail that runs the 30 km length of the park, from Gorge Road, in Athelstone in the north-east, through the Northern Parklands of the City of Adelaide, to the river mouth at Henley Beach in the west.  In the Parklands section, the river runs past many notable landmarks including the Adelaide Zoo, the Adelaide Botanic Gardens, the Festival Theatre and Elder Park.

Botanic Park, Adelaide: Botanic Park, which is a part of Park 11 and also known by its Kaurna name Tainmundilla, is a 34 hectare (84 acre) park in the Northeast Parklands of the South Australian capital of Adelaide.  It is bordered by Hackney and Frome Roads.  The park abuts the Adelaide Zoo and River Torrens on its northern side and an avenue of Plane Trees planted in 1874 to its southern side.  It is dotted with exotic species such as century-old Moreton Bay Figs from Queensland.

Wilson Botanic Park: Wilson Botanic Park is a botanic garden located on Princes Highway in Berwick in Victoria, Australia.

Music of Adelaide: Adelaide is the capital city of South Australia.  Its musical heritage includes the well-known Adelaide Festival of Arts, Barossa Music Festival and the world music festival WOMADelaide, which is held annually in Botanic Park.  Major music venues include the Adelaide Entertainment Centre and the Thebarton Theatre.  The Adelaide Symphony Orchestra was founded in 1937, with William Cade as conductor.  Other music institutions in Adelaide include the Elder Conservatorium at the University of Adelaide.

Namo Falls: The Namo Falls are two waterfalls, the Grandmother (Guella) and the Grandfather (Guello), in the Namo River within the Namo park area on the island of Guam.  The botanical park is located on the border of the villages of Agat and Santa Rita off Route 12, in the south-west coast of the island.  The Namo Falls Botanic Park is privately owned and a fee is required.  The park provides a walk through a botanic garden featuring tropical flowers like mangoes, breadfruit, coconut, star apple, jackfruit, bananas, hibiscus, bougainvillea, orchids, and a large variety of gingers and heliconias, The Grandmother Falls (Guella) can be used for swimming.

Adelaide Botanic Garden: The Adelaide Botanic Garden is a 51 ha public garden at the north-east corner of the Adelaide city centre, in the Adelaide Park Lands.  It encompasses a fenced garden on North Terrace (between the Royal Adelaide Hospital and the National Wine Centre) and behind it the Botanic Park (adjacent to the Adelaide Zoo).  The Adelaide Botanic Garden and adjacent State Herbarium, together with the Wittunga and Mt Lofty Botanic Gardens, are administered by the Botanic Gardens of South Australia, a State Government statutory authority.

Supporting paragraphs: Botanic Park, Adelaide Adelaide Zoo
Answer: Royal Zoological Society of South Australia Incorporated