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annelid    音标拼音: ['ænəlɪd]
n. 环节动物

环节动物

annelid
adj 1: relating to or belonging to or characteristic of any
worms of the phylum Annelida [synonym: {annelid},
{annelidan}]
n 1: worms with cylindrical bodies segmented both internally and
externally [synonym: {annelid}, {annelid worm}, {segmented
worm}]


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  • Annelid - Wikipedia
    Annelids are bilaterally symmetrical, triploblastic, coelomate, invertebrate organisms They also have parapodia for locomotion Most textbooks still use the traditional division into Polychaetes (almost all marine), Oligochaetes (which include earthworms) and Hirudinea (leech -like species)
  • Annelid | Definition, Characteristics, Habitat, Reproduction, Diet . . .
    Annelid, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided into segments by transverse rings, or annulations, from which they take their name
  • Annelid - Examples, Characteristics, Anatomy, Pictures
    Annelids, commonly known as segmented worms, are soft-bodied, bilaterally symmetrical invertebrates of the phylum Annelida They constitute the earthworms, leeches, and ragworms, traditionally grouped into polychaetes, oligochaetes (including earthworms), and leech -like species
  • 11 Characteristics of Annelids (Worms, Leeches) - Wildlife Informer
    Annelids are classified as segmented worms that belong to the invertebrate phylum of animals There are over 20,000 species of annelids with a variety of individual characteristics that have been discovered so far, but zoologists suspect hundreds of annelids exist in remote jungles and ocean depths that have yet to be identified
  • Types of Annelids – Examples of Annelid Species With Photos
    Types of annelids When many people think of annelids, they limit themselves to earthworms But there are many examples of annelid species and we provide some of them with information and photos
  • Annelid - Segmentation, Setae, Metamerism | Britannica
    The body of an annelid is often described as a tube within a tube The inner tube, or digestive tract, is separated from the outer tube, or body wall, by the coelom The head region (prostomium) is followed by a series of segments similar to each other in appearance
  • Phylum Annelida- characteristics, classification, examples
    Annelids are defined as triploblastic, bilaterally symmetrical, metamerically segmented, a coelomate worm with a thin flexible cuticle around the body Figure: Diagram of Phylum Annelida Source: Wikipedia
  • Annelida (segmented worms) | INFORMATION | Animal Diversity Web
    The annelids include earthworms, polychaete worms, and leeches All members of the group are to some extent segmented, in other words, made up of segments that are formed by subdivisions that partially transect the body cavity Segmentation is also called metamerism
  • 33. 6: Annelids (Annelida) - Biology LibreTexts
    Annelids show protostomic development in embryonic stages and are often called “segmented worms” due to their key characteristic of metamerism, or true segmentation Annelids display bilateral symmetry and are worm-like in overall morphology
  • ANNELID Definition Meaning - Merriam-Webster
    The meaning of ANNELID is any of a phylum (Annelida) of usually elongated segmented coelomate invertebrates (such as earthworms and leeches)





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