This interactive scatter plot displays the Iris flower dataset, mapping sepal and petal measurements to the x and y axes via dropdown menus. A color legend distinguishes the three species, with hovering over a legend item dimming all points except those of the selected species. Built with React and D3 v6, the visualization uses `d3.scaleLinear` for axes and `d3.scaleOrdinal` for colors, rendering SVG circles with accessible tooltips.