Which of the following phyla have members with both internal and external segmentation?

The phylum Annelida have members with both internal and external segmentation. Annelids are commonly referred to as segmented worms, and they have a well-defined body composed of multiple segments. Each segment of the body has its own set of muscles and nerves, and the segmentation allows for greater flexibility and movement. Annelids also have internal segmentation, with each segment containing its own set of organs such as the digestive, circulatory, and reproductive systems. Examples of annelids include earthworms, leeches, and polychaete worms.