Human ecology is the study of human influences on the non-human organic and inorganic environments and the effects of those environments on humans.
Human ecology emphasizes the place of humans within dynamic flows of energy and matter.
In the reciprocal interactions referred to above, it stresses the roles of beliefs, technology and social organization, as these change over time. It also offers a unique perspective on human action and understanding in complex systems. To identify and experiment with different analytical perspectives useful in understanding how human communities reciprocally interact with their natural surroundings. To study humans as evolved organisms in natural environments. To understand how humans respond to and adapt to the natural world uniquely by way of culture and physiology, and in learning language, and symbolism.