Answer:
Similar DNA provides us the information that these two species are come from the same ancestors.
Explanation:
DNA is a genetic material which provides us more information about the organisms. In the above example of frogs, both have same DNA and body structure but they are living in two different habitat i. e. one is living in standing water and other is living in fast flowing water. These two species have many characteristics common except habitat so we can say that both species are evolve from the same ancestor.
