What Am I Riddles

Question: I run over fields and woods all day. Under the bed at night I sit not alone. My tongue hangs out, up and to the rear, awaiting to be filled in the morning.

What am I?

Question: You see us everyday, but you never see us together. We appear everywhere but never are we together at the same place. Who are we?

Question: What is it you like to kill, but actually kills you?

Question: Having one, means having something to follow. Once you question it, it means having none. People seek it, but some do and some don't find it. What is it?

Question: This is a fruit. You cross off the first letter it is a crime. Cross of the second letter its an animal. Cross off the next two letters it is a vowel. What is it?