In the very broadest sense, inorganic chemicals and compounds are defined by what they are not; they are not organic in nature, such that anything beyond biological, hydrocarbon, and other similar carbon-based chemicals may be considered inorganic.
Family Development Theory. n Family Development theory is an interdisciplinary approach of examining the family. n Involves biological, social, and psychological perspectives of development. Biological. n Biological needs in a family vary depending on the family structure and ages of its members.
Another way to look at human development is through cognitive development theories. Cognitive development theories are concerned with the development of thought processes and how these thought processes influence our understanding of the world around us. A major figure in cognitive development theory is Jean Piaget.