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Research Home
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Amphibia (class) (Vertebrata (subphylum), Chordata (phylum), ... Living Organisms (hierarchy name)) |
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Note: Class of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats, typically animals that lay eggs in water, in their early state breathe by gills like fishes, breathe air as adults but have moist skin and rely heavily on cutaneous (skin-surface) respiration, possess a double-channeled hearing system, have green rods in their retinas to discriminate hues, and pedicellate (two-part) teeth. They are represented by nearly 6,200 extant species; their ancestors emerged around 340 million years ago during the Upper Mississippian Epoch in the evolution of animals from strictly aquatic forms to terrestrial types. Modern examples are frogs and toads, newts and salamanders, and caecilians.
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| Terms: |
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| Amphibia (class) (preferred,C,U,S,English-P,D,U,N)
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| Amphibia (class) (Latin-P,D,U,N)
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| amphibians (animals) (C,U,LC,C,English,AD,U,N)
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| amphibian (animal) (C,U,English,AD,U,N)
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| Batrachia (C,U,English,UF,U,N)
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| batrachians (C,U,English,UF,U,N)
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| 兩棲綱 (綱) (C,U,Chinese (traditional)-P,D,U)
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| 兩生綱 (C,U,Chinese (traditional),UF,U)
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| 水陸兩棲動物 (C,U,Chinese (traditional),UF,U)
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| liǎng qī gāng (C,U,Chinese (transliterated Hanyu Pinyin)-P,UF,U)
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| liang qi gang (C,U,Chinese (transliterated Pinyin without tones)-P,UF,U)
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| liang ch'i kang (C,U,Chinese (transliterated Wade-Giles)-P,UF,U)
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| amfibieën (C,U,Dutch-P,D,U,U)
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| amfibie (C,U,Dutch,AD,U,U)
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Facet/Hierarchy Code: H.HL |
Hierarchical Position:
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Agents Facet |
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.... Living Organisms (hierarchy name) (G) |
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........ living organisms (entities) (G) |
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............ Eukaryota (domain) (G) |
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................ Animalia (kingdom) (G) |
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.................... Chordata (phylum) (G) |
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........................ Vertebrata (subphylum) (G) |
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............................ Amphibia (class) (G) |
Additional Notes: |
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| Chinese (traditional) ..... 屬脊椎動物的綱，特徵為牠們的水陸兩棲性，一般兩棲動物在水中產卵。幼體時期用鰓呼吸；成體則用肺呼吸。兩棲動物擁有濕潤的皮膚，且依靠皮膚(皮表)呼吸。牠們具有雙管道的聽覺系統；視網膜上有綠柱細胞，以便分辨顏色。此外，牠們具有莖齒型(pedicellate)牙齒(分為兩個部分)。現存的兩棲動物有近六千兩百種，可追溯至約三億四千萬年前的上密西西比紀時期；當時動物開始從完全水棲的型態，演變為陸棲型態。現代的雙棲動物包括蛙、蟾蜍、蠑螈、鯢及蚓螈。 |
| Dutch ..... Tweeslachtige, gewervelde dieren met naakte huid dat eieren legt en gedaantewisselingen ondergaan |
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Sources and Contributors: |
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