This interactive scatter plot visualizes the Iris dataset, showing sepal length against petal length with each species represented by a distinct symbol. The visualization uses D3.js v7 APIs including scaleLinear, scaleOrdinal, and symbol to create the plot, with axes imported from the d3-axis module. A custom shape legend displays the species mapping using D3's symbol generator. The data is loaded asynchronously from a remote CSV file and parsed using d3.csvParse, with careful number coercion for numeric columns.