Transcript Phylogeny - Grayslake Central High School

Linnaean Taxonomy
 Carolus Linnaeus organized
plants and animals into 7
hierarchical categories.
 Kingdom
 Phylum
 Class
 Order
 Family
 Genus
 Species
Animalia
Chordata
Mammalia
Primates
Hominidae
Homo
Homo sapiens
Linnaean Taxonomy
 Scientific (species) name
 Genus + epithet
 Written in Latin
 Dead, but universal
scholarly language
 Italicized or underlined
 Ex: Canis familiaris
Mycobacterium leprae
Systematics
“Our classifications will come
to be genealogies”
Using…
Morphology, embryology,
paleontology, biochemistry
Molecular
Clock
Phylogenetic Tree
Vertebrate Phylogenetic Tree
Shared ancestral characters
 Heterotrophy, bilateralism
Shared derived characters
 Vertebrae
DIY Phylogenetic Tree
Grp A Grp B Grp C Grp D Grp E Grp F
Char
1
Char
2
Char
3
Char
4
Char
5
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Parsimony
Domains (Carl Woese, U of Illinois)
 Three domains of living things
 Reorganization: Archaea more similar to Eukarya based on molecular data
Bacteria
Archaea
Eukarya
Protista, Fungi
Plantae, Animalia
Nuclear envelope &
Ribosomal
RNA
membrane-bound
organelles
Progenote