I’m tall and proud, soft and hard,

You’ll find me in almost every yard.

Sometimes I’m heavy, sometimes I’m slim

But the dress that I wear is for her, or for him.

I only disrobe but once a year,

though there’s no need to fret, no need to fear,

for my undressing is necessary if I am to live,

and I have so much life left to give.

What Am I?

A. I am a Tree