Answer:
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse
When I'm metal or wood, I help you get home. When I'm flesh and I'm blood. In the darkness I roam.
To you, rude would I never be, Though I flag my tongue for all to see.
I am a mammal that lives in the sea. I have flippers and am known for my intelligence. What am I?
I'm black and white with stripes all over my body. I look like a horse but I'm not. 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.