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I took this picture about a week ago at Heritage Wetlands park. The colorful leaves did not last long. After a few windy days most trees are now completely leafless. The process of of shedding the leaves seasonally is called abscission and is under hormonal control in most plants. There are several advantages of loosing leaves seasonally, including conserving water and being able to better tolerate severe winter conditions. The obvious disadvantage is that deciduous plants need to spend resources on regrowing their leaves, a cost that evergreens do not have.
May the curiosity be with you. This is from “The Birds are Calling” blog (www.thebirdsarecalling.com). Copyright Mario Pineda.