This dynamic scatter plot animates through the Iris dataset, cycling four flower measurements along the x-axis while displaying petal width on the y-axis. Using a reusable D3 module pattern, the visualization updates every second via `setInterval`, with `scaleLinear` and `extent` computing axes, `scaleOrdinal` assigning species colors, and SVG circles redrawn through join operations. Data loads from a GitHub Gist, with axes rendered via `axisLeft` and `axisBottom`. A custom legend indicates species through colored rectangles.