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 of Art. The goal of this unit is to introduce students to the basic elements of art (color, line, shape, form, and texture) and to show students how artists use these elements in different ways in their work.tudents will be introduced to one of the basic elements of artâtextureâby identifying different types of textures found in multiple works of art and hypothesize what materials and techniques were used to achieve that texture.