Answer:
I'm an animal. I love marching. I always wear a tuxedo. What am I?
I can be any color you can imagine. You see me in everyday life. Look around, you can probably see some of me right now. What am I?
I make a loud sound when I'm changing. When I do change I get bigger but weigh less. What am I?
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word.
I go in dry and come out wet. The longer I stay in the stronger my surroundings get.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.