Who Am I?

1. I do not have hands or feet. I sleep with my eyes open. Who am I? (snake)
2. I can lay as many as 90 eggs. When I lose a tooth, a new one grows in its place. Who am I? (crocodile)
3. I can sleep up to four hours. I have dreams when I sleep. Who am I? (lizard)
4. I have large, front flippers and a shell. I lay eggs in a nest on the beach. Who am I? (sea turtle)
5. I am the longest lizard alive. I am big enough to eat water buffalo. Who am I? (Komodo dragon)