The primary distinction between homologous structures and analogous structures is that, although sharing a similar function, homologous structures are derived from a common ancestor, whereas analogous structures are found in unrelated species. Homologous and analogous structures are the result of the evolution of various species that are under the similar and different selection pressure of nature, respectively. ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys. ![]()
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