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.
1 Sample bullet point describing this skill: Highly adaptable, mobile, positive, resilient, patient risk-taker who is open to new ideas.  Dedication/Hard-Working/Work Ethic/Tenacity. Employers seek job-seekers who love what they do and will keep at it until they solve the problem and get the job done. Sample bullet point describing this skill: Productive worker with solid work ethic who exerts optimal effort in successfully completing tasks.