Evolution By Natural Selection: The Case Of Guppies

DiscussionCharles Darwin, in his theory of evolution, put forward a theory on mechanism justifying descent with modification. As per this theory, in case a certain population of organisms exhibits inheritance, variation and differential reproductive success, chances are full that the composition of this population changes significantly from one generation to another (Laland et al., 2014). Guppies (Poecilia reticulata) are aquarium fish that ar…