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chordate    
a. 具有脊索的,脊索动物的
n. 脊索动物

具有脊索的,脊索动物的脊索动物


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  • Chordate - Wikipedia
    A chordate ( ˈkɔːrdeɪt KOR-dayt) is a bilaterian animal belonging to the phylum Chordata ( kɔːrˈdeɪtə kor-DAY-tə)
  • Chordate | Definition, Characteristics, Facts | Britannica
    Chordate, any member of the phylum Chordata, which includes the vertebrates, the most highly evolved animals, as well as two other subphyla—the tunicates and cephalochordates
  • Chordate - Examples, Characteristics, Phylogeny, and Pictures
    Presently, around 81,000 extant chordate species are divided into three subphyla: cephalochordates (Cephalochordata), tunicates (Tunicata), and vertebrates or craniates (Vertebrata)
  • General Biology Vertebrates Study Guide | Key Chordate Concepts | Notes
    Comprehensive study guide on vertebrates: chordate subphyla, phylogeny, gnathostomes, jaw evolution, fish classes, tetrapods, and amphibian orders
  • Chordates - Definition, Characteristics and Examples
    Chordates encompass a diverse and fascinating group of animals, characterized by a set of unique anatomical features that define their evolutionary lineage From the mighty blue whale to the unassuming lancelet, chordates span a wide range of species, inhabiting diverse ecosystems across the globe
  • Characteristics and Classification - Biology Notes Online
    Chordata is a major phylum within the superphylum Deuterostomia, which also includes echinoderms, such as starfish and sea urchins These two groups share a similar embryonic development pattern, but they differ significantly in their adult forms
  • Chordates – Biology - UH Pressbooks
    The chordates are named for the notochord, which is a flexible, rod-shaped structure that is found in the embryonic stage of all chordates and in the adult stage of some chordate species
  • Chordata - Definition and Examples - Biology Online Dictionary
    We can define chordate as follows: “The chordates are the class of animals that possess four anatomical features, namely (1) notochord, (2) dorsal nerve cord, (3) post-anal tail, and (4) pharyngeal slits, at least during some part of their development into maturity ”
  • Morphology of the Chordata
    Chordata: More on Morphology All chordates share four basic features Chordates derive their name from one of their synapomorphies, or derived features indicating their common ancestry This is the notochord , a semi-flexible rod running along the length of the animal In those chordates which lack bone, muscles work against the notochord to move the animal All chordates have a notochord at
  • Characteristics of Chordates | Biology for Majors II
    The chordates are named for the notochord, which is a flexible, rod-shaped mesodermal structure that is found in the embryonic stage of all chordates and in the adult stage of some chordate species It is strengthened with glycoproteins similar to cartilage and covered with a collagenous sheath





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