In the scientific name of $Mangifera$ $indica$ $L$.

Refer to the botanical name of wheat $Triticum\ aestivum$ and identify the statement which correctly describes it.

Four statements are given below regarding the nomenclature of organisms. Which two statements are correct?
$(1)$ The first name denotes the species and the second denotes the genus.
$(2)$ $A$ species name used for one organism cannot be used for another organism.
$(3)$ Each word in a handwritten scientific name must be underlined.
$(4)$ It is mandatory to write the sub-species name after the species name for every organism.

$A$ scientist who made a significant contribution in the field of classification is

$A$ person who studies the origin,evolution,and variations in plants,as well as the classification of plants,is called a:

Define a taxon. What is meant by taxonomic hierarchy? Give a flow diagram from the lowest to highest category for a plant and an animal. What happens to the number of individuals and the number of shared characters as we go up the taxonomic hierarchy?