Answer:
What kind of dog keeps the best time?
What grows up while growing down?
In all the world, none can compare, to this tiny weaver, his deadly cloth so silky and fair.
I am slow and carry my house wherever I go but I am not a turtle. I leave a slimy trail behind me. What am I?
I am a bird but I cannot fly. I'm the fastest runner of all birds. What am I?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.