<span>The most obvious is chronic bronchitis as the smoke irritates the lungs causing the inflammation and since the lungs are constantly inflamed from the smoke, they never have adequate time to recover.</span>
Explanation:
There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus. Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. Dandelion seeds float away in the wind
Organ systems is the answer