CLASSIFICATION NOTES

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CLASSIFICATION NOTES
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6 CHARACTERISTICS OF LIFE

• CHEMICALS OF LIFE
• CELLS
• GROWTH
• REPRODUCE
• ENERGY
• RESPOND/ADAPT

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ALL LIVING THINGS NEED

• WATER
• FOOD
• SPACE TO LIVE
• HOMEOSTASIS

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Classification
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Classification

• The process of grouping things together by
  similarities

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Taxonomy.

• the science of classification
• Groups similar organisms together
• Assigns each a name

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Naming Organisms

• Common name (lion) scientific name (Panthera
  leo)
• 1 scientific name
• Usually Latin or Greek
• Developed by Linnaeus
• Two-word naming system

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Binomial Nomenclature

• Scientific name
• Written in italics or underlined
• 1st word ? genus capitalized
• 2nd word ? species lower case
• Example Felis concolor
• (genus)(species)
• Can be abbreviated genus represented by first
  letter only
• Example F. concolor

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Aristotle

• 1st classification system
• Organism were either plants or animals
• Plants shrubs, herbs, trees
• Animals backbone or no backbone

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Linnaeus

• Devised the current system of classification
• As follows
• Kingdom (broad)
• Phylum
• Class
• Order
• Family
• Genus
• Species (specific/most closely related can
  interbreed)
• King Phillip Came Over From Germany Swimming

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3 domains

• New system broader than kingdoms
• Eukarya have eukaryotic cells
• (Fungi, Protista, Plantae, Animalia)
• Bacteria unicellular organisms
• Archaea unicellular different from bacteria

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of cells Energy (trophic) Cell types Examples
Archae-bacteria unicellular auto or chemo prokaryotic extremo-philes
Eu-bacteria unicellular auto hetero prokaryotic bacteria, E.Coli
Fungae most multicellular hetero eukaryotic mushroom, yeast
Plantae multicellular auto eukaryotic trees, grass
Animalia multicellular hetero eukaryotic humans, worms
Protista most unicellular hetero or auto eukaryotic amoeba, paramecia