classification of species
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CLASSIFICATION OF SPECIES. CLASSIFICATION OF SPECIES. What is taxonomy? Who developed the system? How does the system work? What are these groups called?. The scientific system of classifying living organisms Carolus Linneaus Organisms are grouped based on similarities between them - PowerPoint PPT PresentationTRANSCRIPT
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CLASSIFICATION OF SPECIES
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CLASSIFICATION OF SPECIES• What is
taxonomy?• Who developed
the system?• How does the
system work?• What are these
groups called?
• The scientific system of classifying living organisms• Carolus Linneaus
• Organisms are grouped based on similarities between them• Taxa (singular-taxon)
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CLASSIFICATION OF SPECIES• How are the taxa
organized?
• Names & order of taxa…
• From largest group (least specific) to smallest group (most specific)• Domain• Kingdom• Phlyum• Class• Order• Family • Genus• Species
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CLASSIFICATION OF SPECIES• What scientific
names are used for organisms?• Examples:
• Genus and species (binomial nomenclature)• Acer rubrum (maple) (red) - Red Maple• Felis domesticus (cat) (domestic) – House cat
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CLASSIFICATION OF SPECIESCircle our Genus and species
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Review Vocabulary before we get started• Autotrophic• Heterotrophic• Decomposer• Multicellular• Unicellular• Aerobic environment• Anaerobic environment• Absorptive Heterotroph• Ingestive Heterotroph• Producer• Consumer
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CLASSIFICATION OF SPECIES• Domain Bacteria
contains…• Characteristics of
Kingdom Eubacteria:
• Kingdom Eubacteria
• Prokaryotic• Have cell walls made
of protein• May be autotrophic or
heterotrophic• Found in all habitats
except harsh ones• Some cause disease 8
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CLASSIFICATION OF SPECIES• Why are members of
Kingdom Eubacteria important?• Decomposers• Nitrogen fixers• Commercially important
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CLASSIFICATION OF SPECIES• Domain Archaea
contains…• Characteristics of
Kingdom Archaebacteria…
• Kingdom Archaebacteria• Prokaryotic• Have cell walls made
of protein• May be autotrophic or
heterotrophic• Live in harsh
environments• 1st cellular organisms
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CLASSIFICATION OF SPECIES• Kingdom
Archaebacteria members are found in…
• Scientists believe that Archaebacteria are …
• Sewage treatment plants• Volcanic vents or hot
springs• Long-frozen ice
• More related to the members of Domain Eukarya than Domain Bacteria
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•What evidence did scientists use to determine the archaebacteria is most similar to eukaryotes?
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CLASSIFICATION OF SPECIES• Domain Eukarya
contains…
• What all members have in common…
• Kingdoms:1. Protista2. Fungi3. Plantae4. Animalia
• They are eukaryotic
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•What does Eukaryote mean?•How will you recognize it on your test? •What structure are you looking for?
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CLASSIFICATION OF SPECIES• Characteristics of
Kingdom Protista
• Where do they live?
• Most unicellular, some (algae) are multicellular• Some autotrophic, some
heterotrophic• Some have cell walls made
of cellulose• Some have chloroplasts
• Mostly in water; some in moist soil or animal bodies
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CLASSIFICATION OF SPECIES• It is classified as a
protist if it is not…• What are the most
important protists?
• A fungus, a plant or an animal• Phytoplankton and
zooplankton
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CLASSIFICATION OF SPECIES• The characteristics of
Kingdom Fungi are…• All members are
multicellular except for yeasts• Absorptive
heterotrophs; they are decomposers• Have cell walls made of
chitin
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CLASSIFICATION OF SPECIES• The characteristics of
Kingdom Plantae are…
• All multicellular• All autotrophic• Cell walls made of
cellulose• Have chloroplasts
and a large central vacuole• Also called producers
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CLASSIFICATION OF SPECIES• The characteristics of
Kingdom Animalia are…
• All multicellular• All ingestive
heterotrophs• None have cell walls
or chloroplasts• Also called
consumers
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CLASSIFICATION OF SPECIES• How were organisms
first classified?
• How are organisms classified now?
• Grouped according to similarities in structure and environment they lived in
• Similarities in DNA