In terrestrial vertebrates, the gills are modified to form
Correct answer: B. Eustachian tube
- A. Ear muscles
- B. Eustachian tube
- C. Lungs
- D. Larynx
Explanation
In terrestrial vertebrates, these embryonic structures become modified for other functions, such as the eustachian tubes that connect the middle ear with the throat in humans
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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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