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 can either have structures similar in arrangement, function, or both. (shows how 2 organisms are related. EX: bird and butterfly wings not similar in structure, but similar in function. Analogous structures do not have a common structure arrangement, but are similar in functions.(does not show a common ancestor). EX: bird and insect wings evolving from different ancestors, but are adapting to similar ways of life.