Homologous structures are those that evolve from a common ancestor in living creatures. Both homologous and analogous structures are formed as adaptations to the environment.ĭistinction between homologous and Analogous structures Definition.Evolution develops homologous and similar structures.Similarities Between Structures That Are Homologous and Those That Are Analogous The major difference between homologous and analogous structures is that homologous structures are found in the same species but originated from a common ancestor, whereas analogous structures are found in different species even if they serve the same function as homologous structures. Structures that are homologous to one another evolve during species’ divergent evolution, whereas structures that are similar to one another evolve during species’ convergent evolution. When it comes to structural evolution, there are two sorts of structures that have developed in different species as a result of their derivation from prior animals: homologous and analogous structures.

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