Why Do Evolutionary Biologists Say That Tiktaalik Roseae Is a "Transitional

Multiple Choice

Why do evolutionary biologists say that Tiktaalik roseae is a "transitional species"?

A) It is an extinct species whose DNA sequence indicates that it is intermediate between fish and tetrapods.
B) It is an extant species whose DNA sequence indicates that it is intermediate between fish and tetrapods.
C) It is an extant species whose skeletal structure indicates that it is a morphological intermediate between fish and tetrapods.
D) It is an extinct species whose fossils indicate that it was a morphological intermediate between fish and tetrapods.