Answer:
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
I am the yellow hem of the sea's blue skirt.
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
Many have heard it, but nobody has ever seen it. It will not speak until spoken to. What is it?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?