This React Starter example shows a simple pet-selector interface with a dropdown menu populated by six animal options. It uses React’s `useState` hook to manage the currently selected value and a custom `Dropdown` component that renders an HTML `<select>` element, with `onChange` events updating the state. The app is rendered to a `#root` div via `ReactDOM.render`, and the page loads React and ReactDOM from unpkg CDN links in `index.html`.