An interactive scatterplot of Fisher's Iris dataset lets users explore relationships between sepal and petal measurements by switching the X and Y axes via dropdown menus. Species are encoded by color, with a legend that filters the displayed points on hover. The visualization is rendered as an SVG using React and D3 v5, employing D3's `scaleLinear` and `scaleOrdinal` scales for axes and color, along with D3's `extent` for domain calculation.