原生动物-中山大学.PDF

中山大學生物科學系 趙大衛 教授 子 分 物 從 生 生 物 到 圈 體 到 物 生 生 物 從 體 1 哪些是原生生物？ 2 原生生物在分類上的歸屬 • Robert H. Whittaker五界系統： • 1. 原核生物界 Kingdom Monera • 2. 原生生物界 Kingdom Protista • 3. 真菌界 Kingdom Fungi • 4. 植物界 Kingdom Plantae • 5. 動物界 Kingdom Animalia 五界系統 3 The Importance of Cells All organisms are made of cells • The cell is the simplest collection of matter that can live 細胞是能執行維持生命所有活動的最簡單組成 Comparing Prokaryotic and Eukaryotic Cells • All cells have several basic features in common – They are bounded by a plasma membrane – They contain a semifluid substance called the cytosol – They contain chromosomes – They all have ribosomes 4 • Systematists have split the former kingdom Protista into as many as 20 separate kingdoms • Protist is used as an informal term for this great diversity of eukaryotic kingdoms. 五界系統 八界系統 三域系統 5 Protists 原生界生物的親緣關係