This animated scatter plot visualizes the Iris dataset, encoding petal width and sepal length along the axes and distinguishing species by color and symbol shape. Points cycle through different measurement columns every ten seconds using `setInterval`, updating the x-axis scale and data bindings via d3 joins. The visualization uses d3’s `scaleLinear`, `scaleOrdinal`, `symbol`, and `axisBottom`/`axisLeft` APIs, loading CSV data from a GitHub gist. Additional HTML/CSS legend boxes label species with blue, green, and orange swatches.