What is shown by analogous organs having similar function but different structure?
Answer and explanation
Correct answer: Organs of different origin evolving for a similar use
Analogous organs perform similar functions but differ in their basic structure and evolutionary origin. Wings of birds and insects, for instance, both support flight but are built differently and did not arise from the same ancestral wing structure. Their similarity results from convergent evolution, in which unrelated or distantly related organisms face similar functional demands. Thus A is correct. B describes the pattern of homologous organs, while C and D are unrelated or scientifically incorrect.
Frequently asked questions
What is the correct answer to this question?
Organs of different origin evolving for a similar use
Why is this the correct answer?
Analogous organs perform similar functions but differ in their basic structure and evolutionary origin. Wings of birds and insects, for instance, both support flight but are built differently and did not arise from the same ancestral wing structure. Their similarity results from convergent evolution, in which unrelated or distantly related organisms face similar functional demands. Thus A is correct. B describes the pattern of homologous organs, while C and D are unrelated or scientifically incorrect.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Heredity and Evolution.
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