Taxonomy is defined as..........

When is a rank called a taxonomic category?

Taxonomy based on determination of genetic relationships is

Read the following statements:
$(i)$ Lower the taxon, more are the characteristics that the members within the taxon share.
$(ii)$ Order is the assemblage of genera which exhibit a few similar characters.
$(iii)$ Cat and dog are included in the same family Felidae.
$(iv)$ Binomial Nomenclature was introduced by Carolus Linnaeus.
Which of the following statements are $NOT$ correct?

The common characteristics between tomato and potato will be maximum at the level of their

In the scientific name of organisms,which taxonomic category is written in lowercase letters?