sentences:  Immersion exhibits involve zoo visitors in the environmental circumstances of the animals and such experiences are conductive to favorable reception by visitors of strong conservation messages.Only zoos, aquariums and botanic gardens can operate across the whole spectrum of conservation activities, from ex situ breeding of threatened species, research, public education, training and influencing and advocacy, through to in situ support of species, populations and their habitats.They uniquely have a massive ‘captive audience’ of visitors whose knowledge, understanding, attitude, behaviour and involvement can all be positively influenced and harnessed.