This interactive scatterplot visualizes the Iris dataset, displaying sepal and petal measurements for three Iris species. Users can dynamically select which measurement appears on the x-axis and y-axis via dropdown menus, with each update re-rendering the plot. The visualization uses d3.scaleLinear for axes and d3.scaleOrdinal to map species to distinct colors. Rendered as SVG using d3.select, d3.csv loads the data from a GitHub-hosted CSV file, while d3.axisBottom and d3.axisLeft generate the labeled axes with gridlines.