OpenSimulator Archive. OAR file is an OpenSimulator Archive. OpenSimulator is an open source multi-platform, multi-user 3D application server. It can be used to create a virtual environment (or world) which can be accessed through a variety of clients, on multiple protocols.
biological adaptation the adaptation of living things to environmental factors for the ultimate purpose of survival, reproduction, and an optimal level of functioning. color adaptation. 1. changes in visual perception of color with prolonged stimulation.
The word adaptations is reserved for inheritable genetic changes developed in a population over a long period of time. Developmental Adjustment. One of the more powerful types of adjustments to environmental stresses is a change in growth patterns and development. This occurs in childhood and typically results in anatomical and/or physiological changes that are mostly irreversible in adulthood.