#2 Focal Tree Trees have stages of life, similar to humans, that include infancy, youth, prime, middle-age, senior, twilight and death. The life and seasonal cycles of trees can teach us about the environment by showing symptoms of drought, fire and rainfall. radio button field Study the boxelder tree, what kind of foliage is being displayed?Using the picture key, select what option best describes the Focal Tree. 1 Budding Leaves 2 Blooming Flowers 3 Green Leaves 4 Changing Leaves 5 Bare Limbs Link (required) Last modified on Jul. 21st, 2017 at 11:09am by .