Life Science Chapter 7 Part 2 Taxonomy. Taxonomy The classification of living things into groups called Taxons Aristotle classified as to the area they.

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Presentation transcript:

Life Science Chapter 7 Part 2 Taxonomy

Taxonomy The classification of living things into groups called Taxons Aristotle classified as to the area they mainly lived in: Land, Air or water Linnaeus came up w/ the modern day classification system using binomial nomenclature King Phillip Came Over For Golf Saturday!! Felis concolor

Binomial Nomenclature “Two names” genus+species Gives a unique Scientific name to all living things Protocols – –Genus name first, species name second – –Genus always capitalized, species always lower case – –Name is either italized or underlined Felis concolor Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Carnivora Family: Felidae Genus: Felis Species: concolor

The 6 Kingdoms Prokaryote or Eukaryote Archaebacteria – Old Bacteria Eubacteria – New Bacteria Protista – “Junk Drawer” Kingdom Fungi – Mushrooms, Yeast, Molds Plantae – Plants Animalia – Animals

Prokaryotes vs Eukaryotes Prokaryotes are organisms without an organized nucleus and other membrane bound organelles (mitochondria, golgi bodies etc.)Prokaryotes are organisms without an organized nucleus and other membrane bound organelles (mitochondria, golgi bodies etc.) –Include organisms in the Kingdoms Archaebacteria & Eubacteria. All other organisms are EukaryotesAll other organisms are Eukaryotes Eukaryotes are organisms whose cell contain an organized nucleus surround by a membrane. The cells also contain other organ bound structures like mitochonria, ER’s, vacuoles, chloroplasts, etc.Eukaryotes are organisms whose cell contain an organized nucleus surround by a membrane. The cells also contain other organ bound structures like mitochonria, ER’s, vacuoles, chloroplasts, etc. –Include organisms in the Kingdoms Protista, Fungi, Plantae & Animalia

Archaebacteria Archaebacteria: the Latin name means “Old Bacteria”, examples are the methanogens. They are all Prokaryotes (w/out an organized nucleus), and are unicellular, some are autotrophs, most are heterotrophs. Cell wall is present and composed of amino acids or polysaccharides. Many have flagella or cilia and are able to move (locomotion). Live in very harsh environments -

Eubacteria “New Bacteria”, examples are the bacteria and blue- green algae. They are all Prokaryotes. Cell wall is present and composed of amino acids or polysaccharides.

Protista Junk drawer” kingdom – a little bit of everything, some w/ cell walls (composition varies), some w/out. All are Eukaryotes, autotrophs and heterotrophs represented. Single cellular to multi-cellular and over 300 ft long. Divided into three categories: – –Animal-like – –Plant-like – –Fungus-like

Fungi water molds, bread molds, Sac fungi, yeasts, mushrooms and Penicillium sp. Usually require moist, dark and warm habitats. Characteristics: – –i. Eukaryotic heterotrophs decomposers – –ii. Many are Saprophytes or parasites – –iii. Most are Multicellular however yeast are unicellular – –iv. Most are immobile – –v. Cell Wall present and composed of Chitin (except Oomycota) – –vi. Sexual and asexual reproduction present

Kingdom: Plantae Eukaryotic Autotrophs cell walls present and composed of Cellulose. Multicellular

Knigdom Animalia Eukaryotic heterotrophs Cell membranes w/out cell walls Multicellular Mobile