CLASSIFICATION OF SPECIES
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Transcript of CLASSIFICATION OF SPECIES
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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