[I] empty shell; [II] Chemical energy; [III] waterproof shell; [IV] water-filled shell; [V] aerobic capacity; [VI] heat energy; [VII] kinetic energy; [VIII] shell lining;
Q: Fact 1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Fact 2: All reptiles produce eggs with a waterproof shell full of amniotic fluid. Given the two facts above, reptiles are a class of tetrapod vertebrates that produce eggs with what?
A:
[III]