A layer of fallen leaves supports many forms of life on a forest floor. Small ani break fra leaves in smaller pie while liv fungi rel useful subst that ot organisms abs during gra decomposition processes. The remains do not disappear all at once. Different materials decay at different rates, and moisture affects how quickly the process advances. Some nutrients eventually become available to growing plants. Removing every fallen leaf can therefore alter more than the appearance of a woodland: it can interrupt a continuing exchange between living organisms and dead material.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.