Answer:
What relies on columns but isn't a house, and asks for help but can't speak itself?
Describes universities like Harvard and can be poisonous.
Some live in me, some live on. And some shave me to stride upon. I rarely leave my native land. Until my death I always stand. High and low I may be found. Both above and below ground.
What makes a loud noise when changing its jacket, becomes larger but weighs less?
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?