Webfluke, also called blood fluke or trematode, any member of the invertebrate class Trematoda (phylum Platyhelminthes), a group of parasitic flatworms that probably evolved from free-living forms millions of years ago. There … WebIntroduction to the Platyhelminthes Life in two dimensions. . . The simplest animals that are bilaterally symmetrical and triploblastic (composed of three fundamental cell layers) are the Platyhelminthes, the flatworms. …

Hammerhead Flatworms: Interesting and Unusual Planarians

WebMar 15, 2013 · 2. The smallest ribbon worm species is less than a centimeter long, and resembles a piece of thread more closely than what we think of as a worm. 3. Ribbon worms have highly developed muscles that ... WebDugesia tigrina is colloquially known as a flatworm, and it has a body that is flattened dorsoventrally. Additionally, the body plan exhibits cephalization, and the body surface is covered with cilia used to facilitate gliding locomotion. Sensory lobes known as auricles make the head region look triangular, and eyespots called ocelli are found ... dresses and thong sandals

Flatworm Facts for Kids KidzSearch.com

Most turbellarians are less than five millimetres (0.2 inch) long, and many are microscopic in size. The largest of this class are the planarians, which may reach 0.5 metre (about 20 … See more WebFeb 7, 2024 · Types of Flatworms. Planaria are commonly called flatworms, and many species can be found in many different environments. For example, a flatworm called ''Giardia'' is a common parasite found in ... http://jupiter.plymouth.edu/~lts/invertebrates/Primer/text/turbellaria.html dresses as high as swimdress