Worms in the phylum Platyhelminthes are called flatworms because they have flattened bodies. Some species of flatworms are free-living organisms that feed on small organisms and rotting matter. These types of flatworms include marine flatworms and fresh-water flatworms such as Dugesia (Figure below and Figure below).haracteristics of Flatworms. There are specific differences between the flatworms and the roundworms. 1  Unlike the flatworms, the roundworms have a body cavity with internal organs. 2  A roundworm has a complete digestive system, which includes both a mouth and an anus.
Driving distance from Zurich, Switzerland to Zermatt, Switzerland. The total driving distance from Zurich, Switzerland to Zermatt, Switzerland is 156 miles or 251 kilometers. Your trip begins in Zurich, Switzerland. It ends in Zermatt, Switzerland.
Depart from Lugano to Zermatt and live the entire Glacier Express journey takes that takes around 8 hours and crosses 291 bridges, passes through 91 tunnels and climbs over the 2033 m high Oberalp pass â this is truly one of the most famous train journeys in the world.