Answer:
It has plenty of backbone but doesn't have a let. It peels like an orange but it comes from an egg.
With four oars it swims but it is always at home. Its back is like armor, tougher than chrome. What is it?
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 have no teeth but I can swallow my food whole. I slither on the ground. What am I?
I am a large mammal that lives in the ocean and sprays water from a blowhole. What am I?
When is it bad luck to see a black cat?