National Certification â how to get it and what it means. After graduation from the KU's CLS program, students are eligible to take the national certification examination. In most medical laboratories, certification is a requirement for continued employment (as well as advancement and optimum salary).
Ecosystem. Definition. noun, plural: ecosystems. A system that includes all living organisms (biotic factors) in an area as well as its physical environment (abiotic factors) functioning together as a unit.Supplement. An ecosystem is made up of plants, animals, microorganisms, soil, rocks, minerals, water sources and the local atmosphere interacting with one another.oun, plural: ecosystems. A system that includes all living organisms (biotic factors) in an area as well as its physical environment (abiotic factors) functioning together as a unit.
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system.These biotic and abiotic components are regarded as linked together through nutrient cycles and energy flows.he term ecosystem was first used in a publication by British ecologist Arthur Tansley. Tansley devised the concept to draw attention to the importance of transfers of materials between organisms and their environment. He later refined the term, describing it as The whole system, ...