WebJan 24, 2024 · Classification. Platyhelminthes refer to the phylum of the animal kingdom that includes the flatworms. The name 'platyhelminthes' literally means 'flat worm' ('platy' meaning flat and 'helminthe ... WebJul 1, 2024 · Flatworms have bilateral symmetry, meaning that a flatworm could cut down the center the two halves could match. Flatworms use short, fine, threadlike structures …
Flatworm definition and meaning Collins English Dictionary
WebThe typical flatworm body is flattened and leaflike or tapelike. The head may be set off from the body or grade imperceptibly into it. The anterior (head) end can usually be distinguished from the posterior end in free-living forms by the presence of … WebFlatworms range in length from about 1 millimeter (0.04 inches) to more than 20 meters (66 feet). They have a flat body because they do not have a coelom or even a pseudocoelom. They also lack a respiratory system. Instead, their cells exchange gases by diffusion directly with the environment. They have an incomplete digestive system. god eater batch
Flatworm - Definition, Meaning & Synonyms
WebFlatworm definition: Platyhelminth. . Any of various parasitic and nonparasitic worms of the phylum Platyhelminthes, such as a tapeworm or a planarian, characteristically having a soft, flat, bilaterally symmetrical body and no body cavity. WebJun 18, 2024 · Planarians are carnivores and obtain their food by predation or scavenging. The muscular pharynx extends through the mouth to pick up food and then withdraws into the body. The pharynx leads to a branched digestive tract. Nutrients from the food diffuse through the wall of this tract and into the animal's cells. Webflatworm: [ flat´werm ] an individual organism of the phylum platyhelminthes ; those parasitic in humans include tapeworms and flukes . Called also platyhelminth . bon secours wellness arena leo santa