This animated scatter plot cycles through different Iris dataset measurements, showing how petal width, sepal width, petal length, and sepal length correlate across species. The visualization dynamically updates the x-axis on a timer, while the y-axis remains fixed on sepal length. Built with D3.js, it uses `scaleLinear`, `axisLeft`, and `axisBottom` to render axes, and an SVG `setInterval` loop to animate transitions. Species are color-coded via a custom marker function, and the chart includes a legend and dynamic axis labels.