Given the question: 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, answer the question "Reptiles are a class of tetrapod vertebrates that produce eggs with what?" with the following options: - empty shell - Chemical energy - waterproof shell - water-filled shell - aerobic capacity - heat energy - kinetic energy - shell lining
The answer is:
waterproof shell