Five fruit circles sit in a row, animating in and out as apples are removed, replaced by a lemon, and filtered from the bowl. Hovering over any fruit highlights it with a black stroke and clears the selection on mouseout. The code uses D3 v5’s data join, `transition().duration(1000)` for smooth radius and position changes, `scaleOrdinal` for color and size, and SVG circles with mouseover/mouseout event handlers.