Answer the following question: You are presented with the quiz "What are reptiles called as?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "reptiles are a class of tetrapod vertebrates that produce amniotic eggs" and "animals able to lay shelled eggs are called amniotes ". So, what's the best answer to the question?

Choose from:
(1). infected;
(2). amniotes;
(3). animals;
(4). graptolites;
(5). parasites;
(6). genus;
(7). warm-blooded;
(8). strong;
Answer:
(2).