Flatworm - Wikipedia
The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") [4] are a phylum of …
Phylum Platyhelminthes- Characteristics, Classification and …
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 …
Flatworm | Reproduction, Examples, & Characteristics | Britannica
2024年11月15日 · 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 …
Phylum Platyhelminthes - Characteristics, Classification, …
2024年3月20日 · Phylum Platyhelminthes, also known as flatworms, comprises bilaterally symmetrical, triploblastic, dorsoventrally flattened invertebrates lacking circulatory, respiratory, …
Phylum Platyhelminthes- characteristics, classification, examples
2023年8月3日 · Phylum Platyhelminthes (flatworms) characteristics They are free-living, commensal or parasitic. They are bilaterally symmetrical and dorsoventrally flattened, …
28.3B: Phylum Platyhelminthes - Biology LibreTexts
2024年11月23日 · Platyhelminthes are divided into four classes: Turbellaria, free-living marine species; Monogenea, ectoparasites of fish; Trematoda, internal parasites of humans and other …
10.2: Phylum Platyhelminthes - Biology LibreTexts
The Platyhelminthes consist of two monophyletic lineages: the Catenulida and the Rhabditophora. The Catenulida, or "chain worms," is a small clade of just over 100 species. These worms …
14.1: Phylum Platyhelminthes - Biology LibreTexts
2022年7月31日 · The Platyhelminthes consist of two lineages: the Catenulida and the Rhabditophora. The Catenulida, or “chain worms” is a small clade of just over 100 species. …
Flatworms - Phylum Platyhelminthes - Classification/Characteristics
Flatworms (Platyhelminthes) are a group of bilaterally symmetrical, acoelomate, soft-bodied invertebrate animals found in marine, freshwater as well as moist terrestrial environments.
Platyhelminthes - Examples, Characteristics, Species, Habitat
2024年9月18日 · Platyhelminthes, or flatworms, are a phylum of simple, bilaterally symmetrical invertebrates with a dorsoventrally flattened body. They lack specialized respiratory and …