Which of the following is a species?

Arrange the following taxonomic categories in ascending order.
$(a)$ Genus
$(b)$ Class
$(c)$ Order
$(d)$ Phylum
$(e)$ Family
$(f)$ Kingdom
$(g)$ Species
Choose the correct answer from the options given below:

Which of the following statements is inconsistent with classification?

Identify the incorrect statement with respect to the rules of Binomial Nomenclature.

Which of the following statements are not correct?
$(i)$ 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.

Fill in the blanks $A$ and $B$ in the following taxonomic hierarchy:
Kingdom $\rightarrow$ Phylum $\rightarrow$ $[A]$ $\rightarrow$ Order $\rightarrow$ $[B]$