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.
The more closely the organisms are related, the more similar the homologous structures between organisms. Most examples of homologous structures revolve around the limbs of the species being compared. The bone structure within those limbs are similar between closely related species. Examples of Homologous Structures. Many mammals have similar limb structures. The flipper of a whale, the wing of a bat, and the leg of a cat are all very similar to the human arm.