LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A researcher observes two species of frogs in the same area. Both species have a similar diet. One species breeds in fast-moving streams, while the other species breeds in ponds. Both species are similar in appearance and have very similar DNA. Which information provides the best evidence that these two species descended from a common ancestor?
A
the species’ similar diets
B
the species’ shared habitat
C
the species’ mating behaviors
D
the species’ physical characteristics
Explanation: 

Detailed explanation-1: -Natural selection is considered the main mechanism that causes populations to evolve. However, there are several other mechanisms of evolution, including mutation, genetic drift, and gene flow.

Detailed explanation-2: -Which statement best describes how geographic isolation can contribute to land animal speciation? Geographic isolation physically separates populations and prevents them from interacting.

There is 1 question to complete.