Ключевые слова: adaptation, alive, amazon, animal, aquarium, arrau sideneck turtle, arrau turtle, biodiversity, bolivia, brazil, colombia, defense, ecology, ectothermic, ecuador, egglaying, eukaryotic, evolution, freshwater, giant amazon river turtle, giant south american turtle, guyana, lake, living, lizard, multicellular, neck, orinoco, peru, podocnemis expansa, protection, reptile, river, shell, shield, south american river turtle, swim, turtle, venezuela, water,