Answer:
I'm tall when I'm young and I'm short when I'm old. What am I?
I am the kind of fish that chases a mouse.
The more you take the more you leave behind. What am I?
I come with a train and go with a train and the train doesn't need me but can't go without me.
I may be made of metal, bone, or wood and have many teeth. My bite hurts no one and the ladies love me. What am I?
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic