Answer:
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
I am known for my natural tuxedo and marching. What am I?
What two keys cannot open any door?
the only amusing part of the body
I am of several different kinds, but the one you pick doesn't do its job. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?