Answer:
It rows quickly with four oars but never comes out from under his own roof. What is it?
What can provide food before it is alive, while it is alive and after it's dead?
I waddle when I walk and swim in cold water. I wear a tuxedo all year round. What am I?
I have a shell and move very slowly but I don't live in the sea. What am I?
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
A doctor might remove one from the neck of a Dracula victim.