雁鴨亞目 的英文怎麼說

中文拼音 [yàn]
雁鴨亞目 英文
ducks
  • : 名詞(鳥類的一屬) wild goose
  • : 名詞(鳥類的一科) duck
  • : Ⅰ名詞1 (眼睛) eye 2 (大項中再分的小項) item 3 [生物學] (把同一綱的生物按彼此相似的特徵分為幾...
  1. Phylogenetic analysis surports that anseranas should be placed in monotypic family anseranatidae, and the whistling ducks and the white - backed duck should be separated from subfamily anserinae and placed them into family dendrocygnidae. the family anatidae could be classified into two subfamilies, anserinae and anatinae. the results approve that the swans should be put into the tribe cygnini of subfamily anserinae as suggested by livezey ( 1996, 1997b ) and the shelducks should be placed in the tribe tadornini of subfamily anatinae, therefore, our results do not support sibley and ahlquist ' s ( 1990 ) establishment of the subfamily cygninae and placing the shelducks in the tribe anserini

    研究結果表明: 1 )鳥類12srrna基因有較多的堿基插入和缺失,堿基轉換數高於顛換數; 2 )贊同將鵲鵝( anseranas )置於鵲鵝科( anseranatidae )中,樹( dendrocygna )應從科( anserinae )中獨立出來設立樹科( dendrocygnidae ) ,白背( thalassornis )隸屬于樹科; 3 )科( anatidae )可分為科和科( anatinae ) 2個科,不贊同sibley & ahlquist ( 1990 )設立天鵝科( cygninae )及將麻歸入族( anserini )的觀點,支持livezey ( 1996a , 1997b )的觀點建議將天鵝類歸為科天鵝族( cygnini ) ,麻置於科下麻族; 4 )在科內的系統發生上,潛最早分歧出來,麻、海中文摘要及棲彼此iaj的親緣關系較近;河族為一單系發生群,在系統演化中形成獨立的一支。
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