Since the category is a part of overall taxonomic arrangement, it is called the and all categories together constitute the taxonomic hierarchy.

The correct sequence of the taxonomic hierarchy is

a. Genus $\to$ Family $\to$ Class $\to$ Order Phylum $\to$ Kingdom $\to$ Species

b. Species $\to$ Genus $\to$ Family $\to$ Order $\to$ Class $\to$ Phylum $\to$ Kingdom

c. Species $\to$ Family $\to$ Genus $\to$ Kingdom $\to$ Order $\to$ Class $\to$ Phylum

d. Species $\to$ Genus $\to$ Family $\to$ Class $\to$ Order Phylum $\to$ Kingdom

Assertion $\left(\mathrm{A}\right)$: Sub species shows minor variations from parent population

Reason $\left(\mathrm{R}\right)$: Sub species is reproductively isolated population of a species

Assertion: Species is an ecological unit.

Reason: Individuals of a species share the same ecological niche.

Match the following

The correct answer is

Match the following

The correct answer is

Fill in the blank with the words given in the bracket.

A _____ (taxonomy/systematics/population/ecology) is an organisation of more than one individual living at a particular place and interbreeding can happen among the members.