Answer:
What has a horn but does not work?
What animal dwells in water and best known for its work ethic?
When it was young, it had a tail. When it grew up, it had knees
A pony trots his way through the world on these.
The signature stroll of ducks and penguins.
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?