Answer:
Disgusting creatures that would survive a nuclear strike.
A pony trots his way through the world on these.
He calls in the morning, the day to renew, if his owner gets hungry, he'll be turned to stew. What is he?
It is an insect, and the first part of its name is the name of another insect. What is it?
This noble creature has the embarrassing inability to get up once it's been flipped onto its back.
Lighter than what I am made of, more of me is hidden than is seen. What am I?