MARK TAKAHASHI: I'm Edmunds editor Mark Takahashi. And here's an Expert Rundown of the 2017 Ford Escape. The Ford Escape is a middle of the road choice among compact crossover SUVs. It does everything well without any particular high or low points.
Homologous Structures. A homologous structure is an organ, system, or body part that shares a common ancestry in multiple organisms. This definition is found in evolutionary biology, and uses the meaning of having a similar structure or origin.omologous Structures. A homologous structure is an organ, system, or body part that shares a common ancestry in multiple organisms. This definition is found in evolutionary biology, and uses the meaning of having a similar structure or origin.
Homologous structures may not necessarily perform the same function but they share a common ancestral origin.For instance, the forelimbs of humans and bats are homologous structures.Although they are used differently, the basic skeletal structure is the same and they are derived from the same embryonic origin.or instance, the forelimbs of humans and bats are homologous structures. Although they are used differently, the basic skeletal structure is the same and they are derived from the same embryonic origin.