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.
Ecosystem. A natural unit consisting of all plants, animals, and microorganisms functioning in an area, along with the nonliving factors of the built environment. Factors that affect an ecosystem are temperature, light, moisture, and air currents.