Answer:
If a dog were filling out a resume, he might list his mastery of this game under "skills."
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
I am a bird but I cannot fly. I'm the fastest runner of all birds. What am I?
What has no arms, hands, or legs but moves the earth?
It rows quickly with four oars but never comes out from under his own roof. What is it?
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.