Answer:
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
They try to beat me, they try in vain. And when I win, I end the pain.
Creatures of power, creatures of grade, creatures of beauty, creatures of strength. As for their lives, they set everything's pace. For all things must come to live. Under their emerald embraceย Either in their life or in their death.
Soldiers line up spaced with pride. Two long rows lined side by side. One sole unit can decide, if the rows will unite or divide.
I usually wear a yellow coat. I usually have a dark head. I make marks wherever I go.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?