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.
The herbivores eat the plants, the carnivores eat the meat and omnivore eat both. Predators eat prey. Scavengers eat organism that are already dead. Decomposers break down dead plants and animals into component parts, including nutrients
There are three and they are the Atmosphere, lithosphere, and hydrosphere
Plants use photosynthesis
Reading background information because it gives ideas from the author himself.