Into how many groups did Theophrastus classify plants?

Describe the nomenclature and identification of living organisms.

Binomial nomenclature means writing the name of a plant or animal in two words,which designate:

$A$ species that contains two or more sub-species is called:

How many names are provided in the binomial nomenclature of an organism?

Identify the correct terms for the following analogy-based questions:
$(i)$ Botanical Nomenclature : $ICBN$ :: Zoological Nomenclature : ...
$(ii)$ Binomial Nomenclature : $Carolus$ $Linnaeus$ :: New Systematics : ...