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This fossil snake and this living rat both have a structure in their skull called the quadrate bone. What best explains why both species have a quadrate bone?

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luisvaschetto

The snake and rat both share the same ancestor population that had a quadrate bone, which was inherited from an ancestor population.

What is a homo-logous structure?

A homo-logous structure is a trait that may or not have the same function but has a common evolutionary origin.

A homo-logous structure can be used to trace the evolutionary relationships between species.

Conversely, an analogous structure has the same function but it does not reflect an evolutionary origin.

Learn more about homo-logous structure here:

https://brainly.com/question/8405772

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