What evidence does the discovery of tiktaalik give to support the theory of evolution? A- tiktaalik shows that land animals and fish are not as closely related as once thought
B- tiktaalik shows that land animals and fish developed from completely different ancestors
C- tiktaalik shows that fish decided to grow legs at some point which allowed him to walk on land
D-tiktaalik shows extinct extinct species are related to modern species, supports the idea of common ancestry