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.
The elements are the parts used to make a piece of artwork. The art elements are line, shape, form, tone, texture, pattern and colour. They are often used together, and how they are organised in a piece of art determines what the finished piece will look like.he art elements are line, shape, form, tone, texture, pattern and colour. They are often used together, and how they are organised in a piece of art determines what the finished piece will look like.