(8) Sci-7 TTL #8 Classification

levels of classification

domain, kingdom, phylum, class, order, family, genus, species

taxonomy

science of identifying, classifying, and naming living things

Linnaeus

Swedish physician and botanist that lived during the 1700's and founded taxonomy

dichotomous key

a special guide made of many pairs of descriptive statements; used to help identify unknown organisms

scientific name

two part name given to each species; Genus species (Homo sapien); italicized or underlined; Genus always capitalized

Bacteria

prokaryotic; extremely small single celled organisms; two groups - Archeabacteria and Eubacteria

Protista

eukaryotic; single celled or very simple multicellular organisms; paramecium, slime-mold and kelp

Fungi

eukaryotic; multicellular; absorb nutrients from their surroundings; cell walls; molds and mushrooms

Plantae

eukaryotic; multicellular; usually green; cell walls; use the sun's energy to make sugar by a process called photosynthesis

Animalia

eukaryotic; multicellular; most can move and have central nervous systems; no cell walls; birds, reptiles, insects, mammals, amphibians