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An in-depth exploration of protists, a diverse group of unicellular eukaryotes. Topics covered include their evolution, various modes of movement, stages of endosymbiosis, and different types of protists such as flagellates, ciliates, and parasitic protists. The document also discusses their reproduction and the role of key structures like flagella, eyespots, and contractile vacuoles.
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Fig. 28- 02 - 2 Cyanobacterium Heterotrophic eukaryote Over the course of evolution, this membrane was lost. Red alga Green alga endosymbiosis^ Primary endosymbiosis^ Secondary endosymbiosis^ Secondary endosymbiosis^ Secondary Plastid Dinoflagellates Apicomplexans Stramenopiles Plastid Euglenids Chlorarachniophytes
Fig. 28-03a Alveolates Stramenopiles^ Diplomonads Parabasalids Euglenozoans Dinoflagellates Apicomplexans Ciliates Diatoms Golden algae Brown algae Oomycetes Excavata Chromalveolata Chlorarachniophytes Forams Rhizaria Radiolarians Red algae^ Archaeplastida Chlorophytes Charophyceans Land plants Unikonta Slime molds Gymnamoebas Entamoebas Nucleariids Fungi Choanoflagellates Animals
Fig. 28- 07
Fig. 28- 12
40 μm^ Pseudopodia
5 μm
www.cdc.gov
Volvox
Ulva, or sea lettuce. (c) 50 μm^ 20 μm
600 μm 200 μm Key Haploid ( n ) Diploid (2 n ) Amoebas ( n ) SEXUAL^ Zygote (2 n ) REPRODUCTION MEIOSIS FERTILIZATION Cellular slime molds