What you would expect to hear is a polyphonic high-pitched wheeze which can usually be heard at the end of exhalation. But take note that the intensity of the wheeze is not a good indicator for severity. Usually, when there is severe airway obstruction, the lungs are actually silent upon auscultation.
Because to actually use the word evolve an organism must suffice more than one condition, which in this case would be an advantageous trait. Having an advantageous trait (from our eyes at least) must also include the right and stimulating enviironment for procreation. So this answer is multifolded.
Answer:it has no effect on amplitude
Explanation: