$A$ group of species with a common ancestor is known as:

What is considered a species?

Match the common name given in column $I$ with their taxonomic category family given in column $II$ and choose the correct combination from the options given below.

Column-$I$ (Common Name)	Column-$II$ (Taxonomic category- Family)
$A$. Man	$I$. Poaceae
$B$. Datura	$II$. Anacardiaceae
$C$. Mango	$III$. Solanaceae
$D$. Wheat	$IV$. Hominidae

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

Match the following columns correctly:

Column $I$ (Organism)	Column $II$ (Family)	Column $III$ (Order)
$i$. Sunflower	$a$. Blattidae	$p$. Opisthopora
$ii$. Earthworm	$b$. Asteraceae	$q$. Glumiflorae
	$c$. Megascolecidae	$r$. Anura
		$s$. Asterales

In a scientific name,what taxonomic category does the second Latin word indicate?