Reptiles are a class of tetrapod vertebrates that produce amniotic eggs.
All reptiles produce eggs with a waterproof shell full of amniotic fluid.
Reptiles are a class of tetrapod vertebrates that produce eggs with a waterproof shell.
Reptiles are a class of tetrapod vertebrates that produce eggs with what?
Options:
empty shell
Chemical energy
waterproof shell
water-filled shell
aerobic capacity
heat energy
kinetic energy
shell lining