Examlex
During which of Piaget's stages does a person develop an awareness that things continue to exist even when they are not perceived?
Microorganisms
Tiny living organisms, often microscopic, that can be bacteria, viruses, fungi, or protozoa.
Primary Media
The main form of mass communication considered to be most influential or widely used, such as television, radio, newspapers, or the internet.
Selective Media
Laboratory media designed to support the growth of specific microorganisms while inhibiting others, used for microbial isolation.
Culturette
A sterile swab or collection device used for obtaining specimens from the body, often for microbiological culture.
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