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.
What it is: Bio-Oil is an award-winning specialist skincare product that is clinically proven to improve the appearance of scars, pregnancy stretch marks, and uneven skin tone. What it does:Bio-Oil includes the breakthrough ingredient PurCellin Oil, a recreation of the preen gland oil of ducks.During preening, a duck secretes oil from its preen gland and distributes it over its entire plumage in the familiar twisted-neck action that one often associates with ducks.hat it does: Bio-Oil includes the breakthrough ingredient PurCellin Oil, a recreation of the preen gland oil of ducks. During preening, a duck secretes oil from its preen gland and distributes it over its entire plumage in the familiar twisted-neck action that one often associates with ducks.