| A | B |
|---|
| Aristotle | the first scientist to develop a classification system |
| Linnaeus | a Swedish taxonomist who placed organisms in groups according to observable features |
| taxonomy | the study of how things are classified |
| binomial nomenclature | a system that gives each organism a two part name |
| classification | the process of grouping things based on their similarities |
| genus | the first part of an organisms scientific name |
| species | a group of similar organisms that can mate and produce fertile offspring in nature |
| kingdom | the largest classification group |
| phylum | a kingdom can be divided into these |
| class | all of these together make up a phylum |
| order | the grouping that comes under class |
| family | the grouping that is divided further into genus |
| taxonomic key | a series of paired statements that describe the physical characteristics of different organisms |
| archaebacteria | the kingdom of ancient bacteria |
| eubacteria | the kingdom of common bacteria |
| protists | the kingdom of eukaryotes that are usually one celled |
| fungi | the kingdom that includes molds, mushrooms and yeasts |
| plants | the kingdom that includes multicellular autotrophs |
| animals | the kingdom with multicellular heterotrophs whose cells lack cell walls |
| prokaryotes | cells that lack nuclei |
| eukaryotes | cells with nuclei |
| binary fission | how a bacteria cell reproduces asexually |
| conjugation | how a bacteria cell reproducs sexually |
| endospore | a small rounded,thick-walled, resting cell that forms inside a bacteria cell |
| decomposers | organisms that break down large chemicals in dead organisms into small chemicals |
| virus | a small non living particle that invades and then reproduces inside a living cell |
| bacteriophage | a virus that invades bacteria |
| protein | what the outer coat of a virus is made of |
| genetic material | the inner core of a virus is composed of this |
| active voris | a virus that immediately goes into action |
