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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
    The annelids ( ˈænəlɪdz ), also known as the segmented worms, are animals that comprise the phylum Annelida ( əˈnɛlɪdə ; from Latin anellus 'little ring') [3][a] The phylum contains over 22,000 extant species, including ragworms, earthworms, and leeches
  • 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
  • 11 Characteristics of Annelids (Worms, Leeches)
    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
  • Annelid - Segmentation, Setae, Metamerism | Britannica
    Annelid - Segmentation, Setae, Metamerism: The body of an annelid is often described as a tube within a tube The body form of polychaetes varies, depending on whether the polychaete is free-moving, sedentary, or pelagic (ocean-dwelling)
  • 11. 9: Annelids - Biology LibreTexts
    There are roughly 15,000 species of annelids Most belong to one of three classes A species in each class is pictured in Figure below Classes of Annelids The majority of annelids are polychaetes They live on the ocean floor, so you may not be familiar with them Annelids range in length from less than 1 millimeter to over 3 meters
  • 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
  • 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
  • Structure and classes of annelid | Britannica - Encyclopedia Britannica
    annelid , Any member of a phylum (Annelida) of invertebrate animals that possess a body cavity (coelom), movable bristles (setae), and a body divided into segments by crosswise rings Known as segmented worms, annelids are divided into three classes: marine worms (Polychaeta; see polychaete), earthworms (Oligochaeta), and leeches (Hirudinea)
  • Phylum Annelida – Definition, Characteristics, Classification, Examples
    Phylum Annelida is a diverse group of organisms within the animal kingdom They are commonly known as segmented worms or annelids, and they exhibit a wide range of adaptations and lifestyles





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