Answer:
The relationship between the Tiktaalik roseae and modern fish and tetrapods would be study through a phylogeny. Evolutionary biologists build trees or cladograms by the comparative information of the morphological characteristics of the Tiktaalik roseae and modern fish and tetrapods, . The evidence on which we can rely are morphological characteristics such as limb length, presence or absence of scales or even DNA sequences, if available.
