This animated scatter plot cycles through four measurements from the Iris Dataset, alternately mapping petal width, sepal width, petal length, and sepal length to the x-axis while keeping sepal length on the y-axis. Built with a reusable D3 module, it uses `scaleLinear`, `axisBottom`, and `axisLeft` to render SVG circles and axes, updating every four seconds via `setInterval`. The animation relies on D3’s data join (`selection.join`) to smoothly reposition points as the axes rescale.