A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
The correct answer to your question would be Erythema, I hope this is correct and helps you out.
It is like a animal migrating because it is like hibernating because it doesn't get any food or water in winter.
Answer:
i think its vestigial, but if not then it is homologous.
hope that hepls!
