Answer:
What can honk without a horn?
I'm a marine mammal with flippers that balances balls on my nose and barks. 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?
Black and scary, small and hairy. In the night you hear it preach, Through its noisy high pitched screech.
Tall when seated, short when standing.
What did the piece of wood say when he saw the screwdriver and screws approaching?