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Classification Presentation
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Transcript of Classification Presentation
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CLASSIFICATION OF LIVING ORGANISMS
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Why are things grouped?
a) So they are easy to findb) To see how things share certain characteristicsc) To observe things betterd) .e) .
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Methods of classification in ScienceA. Early classification
Aristotle was one of the first scientists to classify organisms. He classified them in two groups called KINGDOMS: plants and animalsHe classified plants in herbs, shrubs and trees.He classified animals in land, air and water.
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B. Modern classificationCarolus Linnaeus created a classification system
based on looking for organisms with similar structures. He also created the binomial nomenclature, which is a two-word naming system. This system is used today to name all organisms, it is their scientific name.
C. How scientists classify today, based on1. internal and external similarities2. specific characteristics at the cell level (# of chr.)3. fossil studies, common ancestors4. hereditary information 5. early stages of develpment
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Taxonomic systemThe taxonomic system is a system used today in which
organisms are classified in seven groups or levels. Kingdom
PhylumClassOrderFamilyGenusSpecie
(King Phillip came over for great spaguetti)
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Scientific Names- It´s composed of two words, the genus and the species.- The names are in either latin or greek, these languages
barely change.- Scientific names are used so that scientists throughout
the world can identify the organisms.- A organism can only have one scientific name, but
many common names.- The genus (1st word) should be written with capital
letter, the species (2nd word) should be written in lower case.
- It should be underlined or italicfor example:Pinus hartwegiiAbies religiosa
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for example:Pinus hartwegii
Ateles geoffroyi
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The 6 kingdoms
ACHAEBACTERIAEUBACTERIA
PROTISTFUNGI
PLANTAEANIMALIA
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Domains
Eukarya (Plants, Animals, Fungi, Protist)
Bacteria Achaea
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Organisms can be:Feed Autotrophs(producers):
organisms that make their own food
Heterotroph (consumers): organisms that obtain their food from their surroundings
Type of Cell Prokaryotic: simple cell with no defined nucleus, only in bacteria
Eukaryotic: complex cell, has a defined nucleus
Movement Motile, they move around
Sessile, they don´t move
Amount of cells in organism
Unicellular, organism made up of only one cell
Multicellular, organism made up of two or more cells
Gases they need
Aerobic: need oxygen to live
Anaerobic: don´t need oxygen to live, use other gases
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Kingdoms
Type of Cell
Autotrophic HeterotrophicPhotosynthetic Mobile Sessile
Prokaryotic Cells
Kingdom Archae/Eubacteria
AerobicPhotosyntheticBacteria. Formerlycalled blue-green algae.
Kingdom Archae/Eubacteria
Aerobic spirochetes.
Kingdom Archae/Eubacteria
Aerobic spored bacteria
Unicellular
Eukaryotic Cells
Kingdom ProtistGreen, golden, red,and brown
unicellularalgae.
Kingdom ProtistProtozoans- amoebae,
ciliates, flagellates
Kingdom ProtistSporozoans like plasmodium.
Unicellular
Kingdom Fungiyeast
Eukaryotic Cells
Kingdom PlantaeSeaweeds and kelp,mosses, liverworts,spores plants (clubmosses & ferns),gymnosperms, andflowering plants
Kingdom Animaliasponges,
coelenterates,flatworms, roundwormsmollusks, annelids,arthropods,echinoderms andChordates
Kingdom FungiAscomycete,basidiomycete,phycomycetes, andfungi imperfecti.
Multicellular
Humans
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Archaebacteria and Eubacteria
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Eubacteria
UNICELLULAR `PROKARYOTIC AUTOTROPHS/HETEROTROPHS
OLDEST LIFE FORMS ON EARTH HELP US DIGEST FOOD, BREAK DOWN WASTE,
MAKE PRODUCTS LIKE YOGURT AND CHEESE PATHOGENS THAT CAUSES SICKNESS
(Streptococcus and salmonella)
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Archaebacteria
UNICELLULAR `PROKARYOTIC AUTOTROPHS/HETEROTROPHS Live in extreme environments
Thermophiles (live in hot springs) Halophiles (salty environment, dead sea) Methanogens (high methane environments)
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Protists
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KINGDOM PROTISTACALLED PROTIST
Live in moist environmentsEukaryotesMost of them unicellularAutothophs/Heterotrophs
Algae, amoeba, paramecium, diatom etc,
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Fungi
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Fungi
Mushrooms, truffles and morels, bubbles in bread (yeast), champagne and beer. Eukaryotes Unicellular and multicellular Heterotrophs Use external digestion to dissolve their food.
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Plantae
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Plantae
Autotrophs Multicellular Eukaryotes Sessile They give oxygen to breath and habitat for many
species.
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Animalia
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Kingdoms
Type of Cell
Autotrophic HeterotrophicPhotosynthetic Mobile Sessile
Prokaryotic Cells
Kingdom Archae/Eubacteria
AerobicPhotosyntheticBacteria. Formerlycalled blue-green algae.
Kingdom Archae/Eubacteria
Aerobic spirochetes.
Kingdom Archae/Eubacteria
Aerobic spored bacteria
Unicellular
Eukaryotic Cells
Kingdom ProtistGreen, golden, red,and brown
unicellularalgae.
Kingdom ProtistProtozoans- amoebae,
ciliates, flagellates
Kingdom ProtistSporozoans like plasmodium.
Unicellular
Kingdom Fungiyeast
Eukaryotic Cells
Kingdom PlantaeSeaweeds and kelp,mosses, liverworts,spores plants (clubmosses & ferns),gymnosperms, andflowering plants
Kingdom Animaliasponges,
coelenterates,flatworms, roundwormsmollusks, annelids,arthropods,echinoderms andChordates
Kingdom FungiAscomycete,basidiomycete,phycomycetes, andfungi imperfecti.
Multicellular
Humans
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PROJECTNewspaper article: Description of one kingdom
Main characteristics• Type of cell • Type of respiration• Type of feed• Type of movement• Examples of organisms (with sc. Name and
taxonomic classification)Environmental and human importanceWhat would happen if this specie becomes extinct? (2 factors)