Answer:
What is harder to catch the faster you run?
What has keys but no locks a space but no room and you can enter but can't go in?
By myself, I'm practically nothing. Worthless as a leader, but when I follow a group, their strength increases tenfold. What am I?
I am easy to see, but no one likes looking at me. Without me, there would be no you. What am I?
My days are numbered.
A little house full of meat, no door to go in and eat.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic