Notoedric mange, a disease caused by mites, becomes epidemic in western gray squirrel populations and is a major source of mortality. Other species of eastern gray squirrels, fox squirrels, California ground squirrels and wild turkeys are expanding and compete with the western gray.
Principles of Design. Unity/Harmony. Definition of Unity: occurs when all of the elements of a piece combine to make a balanced, harmonious, complete whole. Unity is another of those hard-to-describe art terms but, when it's present, your eye and brain are pleased to see it. Definition of Harmony: brings together a composition with similar units.
artwork that has a common theme or concept throughout it. It means that the elements found in an art are related to each other in terms of what, how and when it is used. For example, in a picture of a dining table complete with fork, spoon, plates, food, glass, etc. All these things are used for eating.