Answer:
It is an insect, and the first part of its name is the name of another insect. What is it?
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
When I'm metal or wood, I help you get home. When I'm flesh and I'm blood. In the darkness I roam.
I have a long neck and spots on my body. I am the tallest animal on land. What am I?
What's the red stuff between elephant's toes?
Give it food and it will live, give it water and it will die.