Question ID:PT11 S2 Q1 Passage:Sea turtles nest only at their own birthplaces. After hatching on the beach, the turtles enter the water to begin their far-ranging migration, only returning to their birthplaces to nest some 15 to 30 years later. It has been hypothesized that newborn sea turtles learn the smell of their birth environment, and it is this smell that stimulates the turtles to return to nest. Stem:Which one of the following, if true, would cast the most serious doubt on the hypothesis in the passage? Correct Answer Choice:EChoice A:Beaches on which sea turtles nest tend to be in secluded locations such as on islands. Choice B:Sea turtles exposed to a variety of environments under experimental conditions preferred the environment that contained sand from their own birthplaces. Choice C:Electronic tags attached to sea turtles did not alter their nesting patterns. Choice D:Unlike other types of turtles, sea turtles have a well-developed sense of smell. Choice E:Sea turtles that had their sense of smell destroyed by exposure to petroleum products returned to nest at their own birthplaces.