! The science of naming and classifying organisms. ! Developed by Carolus Linnaeus

White oak: Quercus alba

•  Each taxon (level) is more specific

•  Kingdom

•  Phylum

•  Class

•  Order

•  Family

•  Genus

•  Species

! Kingdom…………….. Animalia ! Phylum………………. Chordata ! Class…………………. Mammalia ! Order………………… Primate ! Family……………….. Homonid ! Genus ……………….. Homo ! Species ……………… sapien

Binomial nomenclature ! Scientific naming system

– Uses two Latin words (genus, species) – Scientific names always written in italics – Ex. Canis (genus) domesticus (species)

•  Allow scientists to communicate accurately.

– Some species have many common names, only 1 scientific name.

American Robin European Robin

! Prokaryote "  No nucleus "  No membrane-bound

organelles

! Eukaryote " Have a nucleus " Have membrane-bound

organelles.

! Archaebacteria ! Eubacteria ! Protista ! Fungi ! Plantae ! Animalia

! Prokaryotic ! Some move ! Unicellular ! heterotrophic or autotrophic ! Live in extreme conditions

" Example: Bacteria that live in hot springs

! Prokaryotic ! Some move ! Unicellular ! heterotrophic or

autotrophic ! Examples: " Salmonella, E. coli

! Eukaryotic ! Unicellular or

multicellular ! Some move ! Some members are

autotrophs, most are heterotrophs

! Examples: Giardia

! Eukaryotic ! Unicellular or multicellular

! Don’t move ! All members are heterotrophs

! Examples: mold, mushrooms

! Eukaryotic ! Multicellular ! Don’t move ! Autotrophs (photosynthesis)

! Examples: Trees, flowers

! Eukaryotic ! Multicellular ! All Move ! All are heterotrophs ! Examples: bunnies, humans, spiders, sea sponges