Answer:
What has many keys but can't open a single lock?
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
I have fangs and enjoy piecing holes with a single bite.
I am a shower that lights up the sky
I plow and plow but never sow.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic