The limbs of tetrapods (amphibians, birds, reptiles and mammals) are
A) similar to the fins of sharks and rays.
B) similar to the fins of ray-finned fish.
C) similar to the fins of lobe-finned fish.
D) similar to the fins of cartilaginous fish.
E) not similar to any of these.

Question

Quizplus · Accepted Answer

The limbs of tetrapods are similar to the fins of lobe-finned fish, from which they are believed to have evolved. This evolutionary relationship is supported by both fossil evidence and the study of embryonic development patterns.

The Limbs of Tetrapods (Amphibians, Birds, Reptiles and Mammals) Are