Environment -the physical and biological factors along with their chemical interactions that affect an organism. Natural environment-all living and non- living things that occur naturally on Earth The environment is of supreme importance to an organism and its ability to exist in the environment where it lives will determine its success or failure as an individual. Environment —— the physical and biological factors along with their chemical interactions that affect an organism. Natural environment—— all living and non￾living things that occur naturally on Earth The environment is of supreme importance to an organism and its ability to exist in the environment where it lives will determine its success or failure as an individual