Who is known as the father of taxonomy?

"Taxonomy without phylogeny is similar to bones without flesh" is the statement of

Select the correct statements $(i-iv)$ regarding taxonomic categories.
$(i)$ Each step or rank in the hierarchy is called a taxonomic category.
$(ii)$ Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
$(iii)$ Taxonomic studies of all known organisms have led to the development of common categories like kingdom,phylum or division,class,order,family,genus and species.
$(iv)$ Lower the category,greater is the difficulty of determining the relationship to other taxa at the same level.

Which of the following is less general in characters as compared to genus?

$A$ species is taxonomically defined as:

In the scientific name of an organism, what does the second component represent?