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

According to the rules of biological nomenclature, which name is written in an abbreviated form?

$A$ scientist who made a significant contribution in the field of classification is

Which group of taxonomic categories is based on similar characteristics?

Can you identify the correct sequence of taxonomical categories?
$(a)$ Species $\rightarrow$ Order $\rightarrow$ Phylum $\rightarrow$ Kingdom
$(b)$ Genus $\rightarrow$ Species $\rightarrow$ Order $\rightarrow$ Kingdom
$(c)$ Species $\rightarrow$ Genus $\rightarrow$ Order $\rightarrow$ Phylum

Which taxonomic category is formed by a group of related families?