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Classification Notes. Taxonomy: Science of Classification atch?v=6jAGOibTMuU.

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Presentation on theme: "Classification Notes. Taxonomy: Science of Classification atch?v=6jAGOibTMuU."— Presentation transcript:

1 Classification Notes

2 Taxonomy: Science of Classification http://www.youtube.com/w atch?v=6jAGOibTMuU

3 Aristotle (384-322 BC) Animals Land Water Air Or Habitat physical differences characteristics Plants trees shrubs herbaceous perennials herbs

4 Carl (Carolus) Linnaeus (1707-1778) Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Primates Family: Hominidae Genus: Homo Species: sapiens Carolus von Linnaeus (1707-1778) Swedish scientist who laid the foundation for modern taxonomy

5 Hierarchical Classification Taxonomic categories –KingdomKing –PhylumPhilip –ClassCame –OrderOver –FamilyFor –GenusGreen –SpeciesSoup

6

7 Binomial Nomenclature By Linnaeus Two-word naming system –Genus Noun, Capitalized, Underlined or Italicized –Species Descriptive, Lower Case, Underlined or Italicized Ex. Canis lupus or Canis lupus = Wolf Homo sapiens or Homo sapiens = Human

8 Scientific vs. Common Taxonomists are required to use Latin because the language is no longer used in conversation and, therefore, does not change. Mephitis mephitis Mouffette Stinktier Skunk

9 Many organisms have common names. However, a common name can be misleading. Scientific and common names

10 Scientific VS Common In addition, it is confusing when a species has more than one common name.

11 BacteriaArchaeaEukarya BacteriaArchaea Protista Plantae Fungi Animalia The three-domain system The six-kingdom system

12 Archaebacteria Prokaryote Nucleus absent Cell Wall Present Mitochondria Absent Some of each (hetero/auto) Chlorophyll Absent Most Mobile

13 Eubacteria Prokaryote Nucleus absent Cell Wall Present Mitochondria Absent Some of each (hetero/autotroph) Chlorophyll Present in some Most Mobile

14 Protista Eukaryote Nucleus Cell walls in some Mitochondria Some auto/some hetero Some chloroplasts; some not Some mobile; some not Algae, paramecia, amoeba

15 Fungi Eukaryote Nucleus Cell wall Mitochondria Heterotroph No chloroplast Non-mobile mushrooms, yeast

16 Plantae Eukaryote Nucleus Cell wall Mitochondria Autotroph Chloroplast Non-mobile Examples…really?

17 Animalia Eukaryote Nucleus No cell wall Mitochondria Heterotroph No chloroplasts Mobile Examples…get your own!

18 Dichotomous Key

19 Cladogram

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