Answer:
What does a cat have that no other animal has?
What animal dwells in water and best known for its work ethic?
What spends the day at the window, goes to the table for meals and hides at night?
It has plenty of backbone but doesn't have a let. It peels like an orange but it comes from an egg.
A stellar five-Βlimbed sea creature.
I hold two meanings. With one I may be broken, with the other I hold on. What am I?