desmids, microscopic algaemicrosc.net/materials/4net/study_aides/... · desmids, microscopic algae...
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Desmids, microscopic algae• D. Eukarya• K. Protista• Ph. Chlorophyta• Magnification 400x• Often composed of two
semicells connected by a narrow isthmus. The 2 semicells appear as mirror images.
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Spirogyra
• D. Eukarya• K. Protista• Ph. Chlorophyta• Magnification 100x• A filamentous green
algae with ribbon like spiral chloroplasts.
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Oedogonium
• D. Eukarya• K. Protista• Ph. Chlorophyta• Magnification • Filamentous green
algae
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Ulothrix• D. Eukarya• K. Protista• Ph. Chlorophyta• Magnification 400x• A filamentous green algae. Ea
cell is a short cylinder with a C-shaped chloroplast.
• A filament is made up of numerous cells. Dark bodies are pyrenoids assoc w/ starch accumulaation.
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Cladophora
• D. Eukarya• K. Protista• Ph. Chlorophyta• Magnification 40x• Multiple rod-shaped
cells connected together forming branching filaments. Form moss-like mats on soil or submerged rocks.
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Diatoms
• D. Eukarya• K. Protista• Ph. Bacillariophyta• Magnification 100x• 12 different types of
diatoms.
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Ceratium• D. Eukarya• K. Protista• Ph. Dinoflagellata• Magnification 400x• 4 prominent horns and a
transverse furrow containing a whip-like flagellum which causes the living cell to spin.
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Peridinium
• D. Eukarya• K. Protista• Ph. Dinoflagellata• Magnification 400x• Ea cell is covered by
armored plates giving it an angular appearance. Transverse groove (girdle or annulus) contains the flagella.
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Giardia lamblia (intestinalis)• D. Eukarya• K. Protista• Ph. Archaezoa• Magnification 1000x• Active stage trophozoite w/
2 nuclei and a tear-dropped shape & multiple flagella.
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Giardia lamblia (intestinalis)• D. Eukarya• K. Protista• Ph. Archaezoa• Magnification 1000x• Cyst or dormant stage.
Smooth oval shape. Contains 2 trophozoites, 4 nuclei.
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Amoeba proteus• D. Eukarya• K. Protista• Ph. Rhizopoda• Magnification 100x• Dark body is the nucleus.
Extensions are pseudopodia (false feet) used for locomotion and food getting.
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Radiolarian skeletons• D. Eukarya• K. Protista• Ph. Rhizopoda• Magnification 100x• Typically perforated by
numerous holes or pores and equipped with spines. Pseudopoda extend out the holes. More 3D than diatoms.
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Plasmodium vivax, falciparum, ovale, or malariae
• D. Eukarya• K. Protista• Ph. Apicomplexa• Cl. Sporozoea• Magnification
1000x• Ring stage within a
RBC.
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Paramecium caudatum, aurelia or bursaria
• D. Eukarya• K. Protista• Ph. Ciliophora• Magnification 100x• Spindle shaped cells with
rounded ends covered w/ cilia. Dk structure inside is the nucleus.
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Euglena• D. Eukarya• K. Protista• Ph. Euglenozoa• Magnification 400x• Single celled, usually linear
but without cell walls can change shape. Nucleus in the center. Single flagella from one end
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Euglena
• D. Eukarya• K. Protista• Ph. Euglenozoa• Magnification 400x• Single celled, usually
linear but without cell walls can change shape. Nucleus in the center. Single flagella from one end.