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platyhelminthes    
扁形动物

扁形动物


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  • Flatworm - Wikipedia
    Platyhelminthes (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") [4] is a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates commonly called flatworms or flat worms
  • Flatworm | Reproduction, Examples, Characteristics | Britannica
    flatworm, any of the phylum Platyhelminthes, a group of soft-bodied, usually much flattened invertebrates A number of flatworm species are free-living, but about 80 percent of all flatworms are parasitic—i e , living on or in another organism and securing nourishment from it
  • Characteristics of Platyhelminthes - BYJUS
    Platyhelminthes have the following important characteristics: They are triploblastic, acoelomate, and bilaterally symmetrical They may be free-living or parasites The body has a soft covering with or without cilia Their body is dorsoventrally flattened without any segments and appears like a leaf
  • Anatomy and Characteristics of Platyhelminthes - Biology Insights
    Flatworms, or platyhelminthes, are a diverse group of invertebrates that play roles in various ecosystems and have implications for human health These organisms range from free-living species to parasitic ones that can impact both wildlife and humans
  • 28. 3B: Phylum Platyhelminthes - Biology LibreTexts
    Platyhelminthes are divided into four classes: Turbellaria, free-living marine species; Monogenea, ectoparasites of fish; Trematoda, internal parasites of humans and other species; and Cestoda (tapeworms), which are internal parasites of many vertebrates
  • Platyhelminthes - Examples, Characteristics, Species, Habitat
    Platyhelminthes, commonly known as flatworms, are a diverse phylum of simple, bilaterally symmetrical, and unsegmented invertebrates They exhibit a dorsoventrally flattened body and include free-living forms like planarians, as well as parasitic species such as tapeworms and flukes
  • Platyhelminthes Characteristics and Examples - With Photos
    Platyhelminthes is a phylum of invertebrates that are commonly known as flatworms The reason for this is their lack of a body cavity (coelom) which means they are not only flattened in appearance, but they are relatively simple organisms
  • Platyhelminthes: What are flatworms and why some are parasites?
    What are platyhelminthes? Main groups of flatworms; Why are some platyhelminthes parasitic? Examples of parasitic platyhelminthes; How are parasitic platyhelminthes transmitted? Environmental and ecological impact of platyhelminthes; Shocking story: The giant tapeworm; How to prevent flatworm infections? Frequently Asked Questions About
  • Phylum Platyhelminthes: Definition, Characteristics, Classification and . . .
    Phylum Platyhelminthes (Gr , platys = flat ; helmins = worms) refers to a group of invertebrate animals commonly known as flatworms They are characterized by their soft, unsegmented, dorsoventrally flattened bodies
  • Platyhelminthes: Phylum Of Extraordinary Flatworms | Earth Life
    Platyhelminthes are mostly worm-like creatures that are dorsoventrally flattened, meaning they look like a ribbon This is why they are called names such as Tapeworm, Flatworm, Fluke and Planarian The Platyhelminthes are a successful phylum with around 25,000 known species divided into four classes





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