Answer:
When they are caught, they are thrown away. When they escape, you itch all day.
What can provide food before it is alive, while it is alive and after it's dead?
Small edible creature from the sea that is often served at restaurants.
What follows a dog wherever it goes?
Black and scary, small and hairy. In the night you hear it preach, Through its noisy high pitched screech.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?