publications, namely maps of zoo grounds, newsletters concerning zoo-sponsored activities, brochures, calendars, magazines and other printed material to inform the public regarding zoology, biology, conservation, and ecology

educational zoological services, namely conducting educational presentations by printed material, classes, seminars and demonstrations in the fields of zoology, biology, conservation, and ecology; exhibition services, namely the exhibition of animals, plants, conservation, and ecology, and the exhibition of animal performances for education and entertainment; and museum services, namely museum presentations by printed material, lecture and demonstration covering the fields of zoology, biology, conservation, and ecology, and the operation of a zoological park