Question

Two species might have similar skeletal structures that have different functions. What do these types of structures suggest about the relationship between the two species?
Common structures with different functions suggest that the species live in the same habitat.
Common structures with different functions suggest that the species share a common ancestor that also had a similar structure.
Common structures with different functions suggest that the species do not share a common ancestor.
Common structures with different functions suggest that one of the species never learned how to use