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 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 explains ancestral and descendant relationship during the course of evolution. Species is the basic unit of taxonomy that is genetically closed system because its members do not interbreed with member of other species.