Scale includes understanding that different characteristics, properties or relationships within a system might change as its dimensions are increased or decreased. Evolution and Equilibrium Evolution is a series of changes, some gradual and some sporadic, that accounts for the present form and function of objects, organisms and natural and designed systems. The general idea of evolution is that the present arises from materials and forms of the past. Form and Function Form and function are complementary aspects of objects, organisms and systems in the natural and designed world. The form or shape of an object or system is frequently related to use, operation or function.
Function frequently relies on form.
Understanding of form and function applies to different levels of organization.