Answer:
My first is a body of water. My second is me. My third came before. My fourth before all three. My fifth sounds like my first. My sixth is in a lake. Put all six together to make an animal that will keep you awake.
A tree with 5 branches, no leaves and no fruits
You will find me with four legs, but no hair. People ride me for hours, but I don't go anywhere without needing to be tugged. Jerked or turned on, I always manage to be ready for work.
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
What word has kst in the middle, in the beginning, and at the end?
You use it between your head and your toes, the more it works the thinner it grows.