Matching Pairs WKMS Classification of Living ThingsOnline version WKMS Science Vocabulary by Jamie Bowen 1 species 2 genus 3 binomial nomenclature 4 scientific name 5 organism 6 homeostasis 7 cell 8 kingdom smallest unit of an organism that carries on life functions name of an organism that consists of the genus and species first and largest category for classifying organisms any living thing two-word naming system giving organisms their scientific name a group of closely related organisms group of similar species regulation of an organism's internal, life-maintaining conditions