Answer:
A hole in a pole. Though I fill a hole in white I'm used more by the day and less by the night
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
You hold my tail while I fish for you. What am I?
I have four wings, but cannot fly, I never laugh and never cry; On the same spot Iām always found, toiling away with little sound. What am I?
Good memory, skin like the sea. A great beast I am, yet vermin frightens me. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.