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crustacean    音标拼音: [krəst'eʃən]
a. 甲壳类的
n. 甲壳类

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  • Crustacean - Wikipedia
    Most crustaceans are free-living aquatic animals, but some are terrestrial (e g woodlice, sandhoppers), some are parasitic (e g Rhizocephala, fish lice, tongue worms) and some are sessile (e g barnacles) The group has an extensive fossil record, reaching back to the Cambrian
  • Crustacean | Definition, Characteristics, Evolution, Facts | Britannica
    crustacean, any member of the subphylum Crustacea (phylum Arthropoda), a group of invertebrate animals consisting of some 45,000 species distributed worldwide Crabs, lobsters, shrimps, and wood lice are among the best-known crustaceans, but the group also includes an enormous variety of other forms without popular names
  • Crustacean - Definition, Types, List, Anatomy, and Picture
    What is a crustacean in biology What does it eat Learn its examples, including habitat, organ systems, reproduction, and life cycle with images
  • Crustaceans - A-Z Animals
    Crustaceans are a large, diverse group of invertebrates of the phylum Arthropoda, whose classification also includes spiders, mites, scorpions and insects Scientists believe that the number of crustacean species worldwide is between 50,000 and 67,000
  • What Are Crustaceans? Definition, Traits Facts - ScienceInsights
    Crustaceans are far more than just seafood Learn how they’re built, how they grow, and why they matter to ocean ecosystems and human health
  • What are Crustaceans? | INHS Crustacean Collection | Illinois Natural . . .
    Crustaceans have evolved a variety of specialized body forms and behaviors to cope with both aquatic and terrestrial environments; however, all crustaceans share several characteristics: a hard exoskeleton, jointed, paired appendages, and three body regions (head, thorax, and abdomen)
  • What Is A Crustacean? The Ultimate Guide To Crustaceans
    A crustacean is an invertebrate animal with a hard exoskeleton, segmented body and jointed legs Most crustaceans are fully aquatic, although some, including many crabs, are semi-aquatic, and others, such as woodlice, are fully terrestrial (land-dwelling)
  • What Is a Crustacean? Definition and Key Characteristics
    Crustaceans, encompassing familiar species like crabs, lobsters, and shrimp, as well as many lesser-known forms such as barnacles and copepods, belong to the subphylum Crustacea within the phylum Arthropoda, which also includes insects, spiders, and myriapods
  • Crustacean - New World Encyclopedia
    Crustaceans (subphylum Crustacea) comprise the group of arthropods (phylum Arthropoda) that includes the familiar crabs, lobsters, shrimps, barnacles, copepods, krill, water fleas, and crayfish
  • Crustacean - Simple English Wikipedia, the free encyclopedia
    Crustaceans include crabs, lobsters, crayfish, shrimp, krill and barnacles They are relatives of insects If the Arthropods are regarded as a superphylum, then the insects and crustacea would be phyla (see List of animal phyla) The group has an extensive fossil record, reaching back to the Cambrian Most crustaceans are aquatic, mostly marine





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