Question : Wings of birds are:
Option 1: modified hind limbs
Option 2: new structure
Option 3: integumentary outgrowth
Option 4: modified forelimbs
Correct Answer: modified forelimbs
Solution : The correct option is modified forelimbs .
The wings of birds are modified forelimbs. This modification is a result of evolution, where over time, the forelimbs of certain dinosaurs, the ancestors of birds, evolved into wings to facilitate flight. This evolutionary process is an example of adaptation to specific environmental conditions. The skeletal structure of a bird's wing is similar to that of a human arm but with significant modifications for flight.
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