Protists I Lab 3 BIOL 171. Remember!: Classification System.
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Transcript of Protists I Lab 3 BIOL 171. Remember!: Classification System.
![Page 1: Protists I Lab 3 BIOL 171. Remember!: Classification System.](https://reader030.fdocuments.in/reader030/viewer/2022032703/56649d205503460f949f5944/html5/thumbnails/1.jpg)
Protists I
Lab 3BIOL 171
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Remember!: Classification System
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Ancestral Eukaryote
We’ll be looking at all of these!
Protists are everywhere in Eukarya!
“the junk drawer of the eukaryotes”
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Ancestral Eukaryote
We’ll be looking at all of these!
Protists are everywhere in Eukarya!
“the junk drawer of the eukaryotes”
THIS WEEK
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Old School:6 Kingdoms
• Plants (Plantae)• Animals (Animalia)• Fungi (Fungi)• Eubacteria• Archaeabacteria• Protista
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Linnaeus[5]
(1735)2 kingdoms
Haeckel[6]
(1866)3 kingdoms
Chatton[7]
(1925)2 groups
Copeland[8]
(1938)4 kingdoms
Whittaker[2] (1969)
5 kingdoms
Woese [9][10]
(1977,1990)3 domains
Animalia Animalia
Eukaryote
Animalia Animalia
EukaryaVegetabilia PlantaePlantae Plantae
ProtoctistaFungi
Protista
(not treated) Protista
Prokaryote Monera MoneraArchaea
Bacteria
A constantly changing system…
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This week....1 A & B: Euglenozoans
Trypanosoma levisiiEuglena (alive and prepared)
2 A: Stramenopiles Diatoms (living)
Diatomaceous Earth Brown Algae
Ectocarpus (living)Sphacelaria (living)Fucus (preserved)Laminaria (preserved)Sargassum (preserved)
Water moldSaprolegnia (prepared)
2 B: Alveolates
Paramecium caudatum (living)Peridinium (dinoflagellate, living)Other random dinoflagellates
2 C: Rhizarians (Foraminiferans and Radiolarians) - prepared
Pro-tip: - Write these down.- Circle exercises in your manual.
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Lab Study 1 A & B: Euglenozoans – Trypanosoma levisi (prepared slide)– Euglena (make wet mount)
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Trypanosoma and red blood cells
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Euglena
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Lab Study 2 A: Stramenopiles
Diatoms (Bacillariophyta) – make wet mount
Also observe diatomaceous earth (the cell wall deposits from diatoms) – make wet mount and look at prepared slides
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Diatom diversity
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Diatom cell wall made of silica
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Stramenopile flagella
WHY do they have two? Why might they be different?Is it an adaptation? What is the function?
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Brown Algae (Phaeophyta)Living: Ectocarpus and SphacelariaPreserved: Fucus, Laminaria, Sargassum
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Water mold
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Lab Study B: Alveolates
Ciliate: Paramecium caudatum – (wet mount) in manual
Dinoflagellates: mixed dinoflagellates (live & wet mount), and Peridinium (wet mount) not in manual
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Paramecium structures
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Dinoflaggelates
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Lab Study 2 C: Rhizarians • Foraminiferans - prepared slides
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Radiolarians - prepared slides
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Think about…
• Morphological characteristics• Ecology of the organism• How does the organism get around?• What role do they play in the ecosystem?• Do they have any economic value?• Where do they live?
• Don’t know the answer?? It’s probably a great research question! Ask me about it.