Assertion : Phyogeny is the developmental history of a species.
Reson : Species is the basic unit of taxionomy.

Options

A. if both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reson are true but the reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. if both the assertion and reason are false

Answer

b

Explanation

phylogeny is the developments histroy of a specis or a group of species. Species is the basic unit of taxonmy. It is a natural population which resemble one another in all essential morphological and reproductive charaters so that they are able to interbreed freely and produce fretile offsiping.