Vestigial organs are present in:
Correct answer: A. All vertebrates
- A. All vertebrates
- B. All invertebrates
- C. Only reptiles
- D. Only mammals
Explanation
Vestigial organs are present in almost all vertebrates. They are evolutionary remnants of structures that had important functions in ancestral species.
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About Evolution
Evolution describes heritable change in populations over generations through variation, natural selection and adaptation. Lamarckism explains inheritance of acquired characteristics, while Darwinism explains selection of favourable inherited variations; these historical explanations must not be confused with the modern genetic account of evolutionary change.
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