BISC 1112 Chapter Notes - Chapter 28: Alveolate, Symbiogenesis, Heterokont
31 Mar 2017
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Document Summary
Protists: informal name for the diverse, mostly unicellular group of eukaryotes. Protista kingdom name abandoned because various protist lineages are recognized as kingdoms in. The organisms in most eukaryotic lineages are protists. Protists exhibit more structural and functional diversity than eukaryotes with which we are most familiar (plants, animals, fungi) Protists use many of the organelles regular animal/plant cells use: golgi body, nucleus, endoplasmic reticulum, lysosomes, etc. Contractile vacuole: pump excess water from the protistan cell. Four supergroups of eukaryotes: shown as diverging from a common ancestor. Excavata: includes some parasites and many predatory and photosynthetic species; two major clades - parabasalids and diplomonads. Sar clade: three large and diverse clades - stramenopila, alveolata, rhizaria. Archaeplastida: includes red and green algae, along with land plants. Unikonta: include amoebas that have lobe- or tube-shaped pseudopodia, animals, fungi, and non-amoeba protists that are closely related to animals or fungi.
