Answer:
What can you share and still have all for yourself?
Describes universities like Harvard and can be poisonous.
I grow for a surface, even if you cut me. I continue to grow even after death.
He stands beside the road. In a purple cap at tattered green cloak. Those who touch him, curse him.
It doesn't live within a house, nor does it live without. Most will use it when they come in, and again when they go out.
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?