Distress is a state in which a person shows maladaptive behaviour. This happens because an individual can’t adapt to stressors and the stress they produce. Thus, people under constant distress are often likely to become sick. <span> Eustress is the opposite of distress. It is a positive stress that motivates people.</span>
In addition to the leaf shape (narrow and broad) and leaf vein arrangement (parallel and non-parallel), leaf <u>margin shape</u> is used to classify plants.
