Five apples rendered as red circles transition in and out of a bowl over time, demonstrating the D3 general update pattern in SVG. The code uses `selectAll` and `.data()` joins, followed by `.enter()` and `.merge()` to handle entering and updating elements, while `.exit().remove()` removes disappearing fruits. A `scaleOrdinal` maps fruit types to colors and radii, with 1000ms transitions animating radius and fill changes as fruit is eaten, replaced by a lemon, or filtered out.