Answer:
Soft hairy from door to door. I am the pet that always stays on the floor.
What is seen in the middle of March and April that cannot be seen at the beginning or end of either month?
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.
Born of sorrow, grow with age, you need a lot of me to be a sage. What am I?
I am made of wood but can't be sawed? What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.