Answer:
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
What is neither inside the house nor outside the house but a necessity for any home?
Sleeping during the day, I hide away. Watchful through the night, I open at dawn's light. But only for the briefest time, do I shine. And then I hide away. And sleep through the day.
I have five letters and people eat me. When you remove my first letter I become a crime. Remove my first two letters and I am an animal. If you remove my first and last letters I'm a form of music
In birth I spring forth, in life I unfold. In death I wilt and die, but rebirth restores all.