Answer:
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.
By myself, I'm practically nothing. Worthless as a leader, but when I follow a group, their strength increases tenfold. What am I?
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
I wear a green jacket on the outside white jacket as a second layer and red jacket inside. I am pregnant with a lot of babies. (one word)
I am essential to life on earth! I am split into thirds. Two thirds are the same. One of the thirds is 8. The other two are 1 each.
A little house full of meat, no door to go in and eat.