Respuesta :
The bones in cats' legs that help them walk are extremely similar to the bones in whales' flippers that help them swim. It exemplifies homologous structures.
What are homologous structures?
These are similar in structure and location but perform different functions. They result in divergent evolution.
What are analogous structures?
These are similar in function but have different origin and structures. They result in convergent evolution.
What are vestigial structures?
These structures do not perform any function and are present in a residual form in the body
What is endosymbiosis?
It is a kind of relationship in which one organism resides inside the body of the other organism.
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