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.
â¢ Biomes are often identified with characteristic biotic factors, such as a cactus in the desert or a caribou on the tundra. Many of these characteristic factors h ave special adaptations for that biome. An adaptation is a characteristic that allows an organism to better survive and reproduce. 1.