4.14 classification unit 2

classification

a means of organising the variety of life based on relationships between organisms using differences and similarities in phenotypes and in genotypes

domain

the highest taxonomic rank in the classification system which includes 3 groups - bacteria archaea and eukarya

genotype

the genetic makeup of an organism

genus

the taxonomic rank below family but above species and always capitalised when written using binomial nomenclature

kingdom

the taxonomic rank below domain which typically has 5 groups - monera eukaryota fungi protsita plantae and animalia

phylogeny

the study of evolutionary relationships between organisms

species

a group of closely related organisms that are all potentially capable of interbreeding to produce fertile offspring the lowest taxonomic rank which is below species

taxonomic rank

a hierarchy used to group and classify living organisms which typically contains 8 levels - domain kingdom phylum class order family genus species

taxonomy

the classification of organisms into groups