Six Kingdom Classification Flashcards
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Questions and Answers

What type of organisms are Eubacteria?

  • Eukaryotes
  • Prokaryotes (correct)
  • Multicellular
  • None of the above
  • Archaebacteria have a peptidoglycan cell wall.

    False

    What is the defining characteristic of Animalia?

    Eukaryotes, multicellular, heterotrophs

    What type of wall do Plantae have?

    <p>Cellulose cell wall</p> Signup and view all the answers

    Which kingdom is primarily composed of fungi?

    <p>Fungi</p> Signup and view all the answers

    What is used as a naming system in biology?

    <p>Binomial nomenclature</p> Signup and view all the answers

    The 6 kingdoms are ________.

    <p>Archaebacteria, Eubacteria, Animalia, Plantae, Fungi, Protista</p> Signup and view all the answers

    What defines the three domains of life?

    <p>Bacteria, Archaea, Eukarya</p> Signup and view all the answers

    Traditional classification groups organisms based on genetic similarities.

    <p>False</p> Signup and view all the answers

    What does phylogeny refer to?

    <p>Evolutionary relativity used to make cladograms based on specific traits</p> Signup and view all the answers

    The molecular clock is used to trace the rate of ________ changes.

    <p>DNA</p> Signup and view all the answers

    What is one key aspect of Eukarya formation?

    <p>Archaea membranes folded inward</p> Signup and view all the answers

    Study Notes

    Eubacteria

    • Prokaryotes, unicellular organisms
    • Can be heterotrophic (consume organic material) or autotrophic (produce own food)
    • Reproduce asexually; possess phospholipid membranes
    • Cell wall contains peptidoglycan
    • Example: E. coli

    Archaebacteria

    • Prokaryotes, unicellular organisms
    • Can be heterotrophic or autotrophic, with some classified as chemoautotrophs
    • Reproduce asexually; "either" type of lipid membranes
    • Lack peptidoglycan in cell walls
    • Example organism: TAQ (Thermus aquaticus)

    Animalia

    • Eukaryotic classification, multicellular
    • All members are heterotrophs (depend on other organisms for food)
    • Can reproduce sexually or asexually
    • Contains phospholipid membranes and no cell wall
    • Example: pigs

    Plantae

    • Eukaryotic classification, multicellular
    • Autotrophic (produce own food through photosynthesis)
    • Can reproduce sexually or asexually
    • Cell walls made of cellulose
    • Contains phospholipid membranes; includes mitochondria and chloroplasts
    • Example: ferns

    Fungi

    • Eukaryotic classification, can be unicellular or multicellular
    • All members are heterotrophs
    • Reproduce through sexual or asexual means
    • Cell walls composed of chitin
    • Contains phospholipid membranes and mitochondria
    • Example: mushrooms

    Protista

    • Eukaryotic classification, can be unicellular or multicellular
    • Heterotrophic and autotrophic members
    • Reproduce both sexually and asexually
    • Phospholipid membranes; some have cellulose cell walls
    • Example: amoeba

    Taxonomy

    • The scientific study of classifying and naming organisms

    Binomial Nomenclature

    • A two-part naming system denoting genus and species
    • Written in italics or underlined, with species in lowercase

    Whitaker's Five Kingdoms

    • Classification includes Monera (bacteria), Protista, Plantae, Fungi, and Animalia

    Six Kingdoms

    • Classification includes Archaebacteria, Eubacteria, Animalia, Plantae, Fungi, and Protista

    Three Domains

    • Classifies life into Bacteria, Archaea, and Eukarya

    Traditional Classification

    • Organisms grouped based on shared physical and biological characteristics

    Phylogeny

    • The evolutionary history and relationship between species, used to create cladograms based on traits

    Molecular Systematics

    • Utilizes DNA and genetic data to determine relationships among organisms and assess homologies

    Molecular Clock

    • Estimates timing of evolutionary events by tracking the rate of DNA changes over time

    Order of Domains

    • Hierarchy: Bacteria -> Archaea -> Eukarya

    Eukarya Formation

    • Involves inward folding of archaeal membranes to create organelles
    • Endocytosis allowed early ancestral cells to incorporate bacteria, resulting in mutually beneficial relationships (endosymbiosis), leading to the emergence of mitochondria and chloroplasts

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    Description

    Test your knowledge on the six kingdoms of life with these flashcards. Each card covers essential characteristics and examples of prokaryotes and eukaryotes, including Eubacteria, Archaebacteria, and Animalia. Perfect for biology students looking to master classification in the natural world.

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