知識貝殼
知識貝殼
所屬欄目：英漢雙解生物學
Any chordate animal with a noto-chord and lacking a brain and skull. Acrani-ates include the urochordates and cephalochor-dates. See Cephalochordata,Urochordata.指任何脊索動物中具有脊索而缺乏大腦和頭骨的動物。無頭骨類包括尾索動物和頭索動物。參閱142頁 Cephalo ......（本文共 220 字 ） [閱讀本文] >>