general biology ii lab
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General Biology II Lab. Bacteria, Protists , Fungi. Taxonomy. Taxonomy is changing DNA technology is showing relationships previously not known You will hear the term “clade” – what does that mean? Clade – any taxon that consists of all the evolutionary descendants of a common ancestor - PowerPoint PPT PresentationTRANSCRIPT
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Bacteria, Protists, Fungi
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Taxonomy is changing DNA technology is showing
relationships previously not known
You will hear the term “clade” – what does that mean? Clade – any taxon that consists
of all the evolutionary descendants of a common ancestor Identified by picking any
point on a phylogenetic tree and tracing all the descendant lineages
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Binomial Nomenclature, Scientific Name Genus species or Genus species
Genus is capitalized, species is lowercase Italicized or underlined
Homo sapiens Homo sapiens Tursiops truncatus Tursiops truncatus Callinectes sapidus Callinectes sapidus
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Domain Bacteria – unicellular prokaryotes Bacteria Cyanobacteria
Domain Archaea – unicellular prokaryotes Includes “extremophiles”
Domain Eukarya – eukaryotes Kingdom Protista Kingdom Fungi Kingdom Plantae Kingdom Animalia
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Tips: Start on Scanning
objective, look for color Center and focus Move to the 10x objective Center and focus Move to the 40x objective Center and focus If necessary, move to oil
immersion Place drop of oil on slide and
move oil lens into the oil DO NOT get oil on any of the
other lenses Be sure to WIPE oil off of lens
when done!!!!! (with lens paper!)
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Shapes Spirillum
Coccus
Bacillus
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Gleocapsa
Oscillatoria
Anabaena
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Common name• Protozoa – heterotrophic, “animal-like”• Algae – autotrophic
Groups:• Excavata – Giardia, Trichomonas, Euglena, Trypanosoma• Alveolates – dinoflagellates, apicomplexans (plasmodium),
ciliates (paramecium)• Stramenophiles – oomycetes, diatoms, brown algae• Rhodophytes – red algae• Chlorophytes – green algae• Rhizaria – foraminiferans, radiolarians• Amoebozoans – plasmodial slime molds, Amoeba
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Amoeba proteus – move by pseudopodia
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Radiolarians
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Globigerina
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Ciliates Paramecium
Stentor
Vorticella
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Trypanosoma
Trichomonas
Red bloodcells
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Plasmodium – no means of locomotion Look for it inside red blood cell
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Microscopic algae Phytoplankton
Macroscopic algae “seaweed”
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Green Algae Microscopic
Spirogyra Look for green spirals
Volvox
Macroscopic
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Euglena – photosynthetic flagellate Look for flagella and chloroplasts, can be
mistaken for paramecium
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Diatoms
Electron Microscope picture
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Dinoflagellates Ceratium
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Brown Algae Macroscopic examples
Sargassum
Fucus
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Red Algae Macroscopic examples
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Slime Molds Plasmodial slime molds
Physarum
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Phylum Zygomycota – black bread molds Rhizopus – under the microscope
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Phylum Ascomycota
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Phylum Ascomycota – under the microscope Saccharomyces - yeast
Penicillium
Aspergillus
PezizaCross section of cup seen on previous slide
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Phylum Basidiomycota What we think of when we say “mushrooms”
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Phylum Basidiomycota – under the microscope Coprina
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On one side write: Domain Kingdom Group Genus Characteristics
Know what is prokaryotic and what is eukaryotic!
On the other side:
Picture of the organism
On Handout Domain is capitalized Group is in bold print Genus is underlined (# is the
slide #)
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microbewiki.kenyon.edu/index.php/Spirillum www.life.umd.edu/CBMG/faculty/asmith/smith2.html commons.wikimedia.org/wiki/File:Bacillus_subt... www.vcbio.science.ru.nl/.../labels/print/PL0013/ botit.botany.wisc.edu/.../Oscillatoria_MC.html fnie-educationalmedia.pbwiki.com/Cyanobacteria faculty.clintoncc.suny.edu/.../protists.htm bio1903.nicerweb.com/.../lab/diversity/protista/ https:/.../qry_media_id.php?media_id=2340 www.mccc.edu/%7Esmithro/Prokaryotes%20and%20P... www.microscopy-uk.org.uk/.../wdstentor2.html http://www.biology-resources.com/drawing-paramecium-vorticella.html io.uwinnipeg.ca/.../16cm05/1116/16protis.htm Noaa.gov www.bioweb.uncc.edu/.../labpics/lab1pics.htm workforce.cup.edu/buckelew/Plasmodium%20vivax... http://www.estrellamountain.edu/faculty/farabee/biobk/aM._conica_tjv.jpg
http://www.gltech.org/library/htmlaps/scannell/images/conica.jpg www.plantsci.cam.ac.uk/.../page18/page18.html