Arrange the following taxa in a sequence in which there is gradual increase in differences and decrease in similarities.

A. Canidae 

B. Carnivora 

C. Canis 

D. lupus
 

From species to kingdom, there is gradual increase in number differences and decrease in similarities. lupus is species name for wolf. Canis is generic name which has several species. Canidae is family name, Carnivora is order name, Mammalia is class of wolf and Chordata is phylum name and kingdom is animal kingdom.