Explain the taxonomic categories (ranks) used in biological classification.

Which of the following taxonomic categories is being described by the given statements $(i-iii)$?
$(i)$ It is the basic unit of classification.
$(ii)$ It is defined as the group of individuals which resemble in their morphological and reproductive characters and interbreed among themselves and produce fertile offspring.
$(iii)$ Human beings belong to the species $sapiens$ which is grouped in the genus $Homo$.

The practical purpose of taxonomy or classification is .........

In the scientific name $Homo$ $sapiens$ $sapiens$,what does '$c$' indicate?
$\frac{Homo}{a}$ $\frac{sapiens}{b}$ $\frac{sapiens}{c}$

Carolus Linnaeus is known as the father of taxonomy primarily due to which of his contributions?

Animals like monkeys,gorillas,and gibbons are included in the order ...... .