Answer: The correct answer is-
species, genus, family, order, class, phylum, kingdom.
A system of hierarchy is used to classify living organisms, according to which living organisms can be classified into seven major levels that can be listed as follows ( in the order of most specific to generalized) -
species→genus→ family→order→class→phylum→kingdom
For example- Species of human beings can be classified as-
Kingdom→ Animalia
Phylum→ Chordata
Class→ Mammalia
Order→ Primates
Family→ Hominidae
Genus→ Homo
Species→ sapiens