Answer:
Weight in my belly trees on my back nails in my ribs feet I do lack.
You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board I'm often described like a mop.
I am the only vegetable or fruit that is never sold frozen canned processed or in any other form but fresh.
I'm an animal. I love marching. I always wear a tuxedo. What am I?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
Strip the skin under my skin, and my flesh you'll reveal. It tastes sweet and tart, now throw out the peel. What is it?