Answer:
Face with a tree skin like the sea. A great beast I am. Yet vermin frightens me.
I go up and down at the same time. Up towards to sky and down towards the ground
I sit in a corner while traveling around the world. What am I?
You can catch me but cannot throw me. What am I?
I am a busy worker who is a water mammal.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What am I?
Animal
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Easy
Food
Funny
Kids
Logic