............... has a group of related genera.

Each genus $:-$

$A :$ Scientific names for plants have been standardized through $ICBN$.
$R :$ Naming system which uses three-word format was given by Linnaeus.

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

Define and explain the following taxonomic term: Family.

In printed scientific names, only the . . . . . . is capitalized.