[Campbell Biology P.768] According to Figure 34.2, which derived character is uniquely assoc... | Practice Question

According to Figure 34.2, which derived character is uniquely associated with the evolutionary transition to the Tetrapods from their immediate ancestors?

  • A: Lobed fins
  • B: Jaws, mineralized skeleton
  • C: Limbs with digits
  • D: Lungs or lung derivatives

Explanation

Figure 34.2 shows 'Limbs with digits' as the derived character on the branch leading to Tetrapods, distinguishing them from the preceding Lobe-fins.