Answer:
In all the world none can compare I am a tiny weaver my deadly cloth so silky and fair.
When I am alive, people sing. When I am dead, people clap hands. What am I?
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
When you need me, you must find me. When you find me, you no longer need me. What am I?
What can fill a room but takes up no space?
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.