Gas exchange is the process by which oxygen and carbon dioxide (the respiratory gases) move in opposite directions across an organism's respiratory membranes, between the air or water of the external environment and the body fluids of the internal environment.
niche. The function or position of a species within an ecological community. A species's niche includes the physical environment to which it has become adapted as well as its role as producer and consumer of food resources.
Soft skills are the complete collection of our social, communication, and self-management behaviours. These are the skills that enable us to work effectively and âfit inâ at the workplace. Examples of soft skills are: demonstrating integrity and ethical behaviour; being motivated and having a positive attitude; and critically analyzing information. Professional communication skills are an integral part of soft skills, focusing mostly on effective exchange of information.