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A lichen is made up of which two types of organisms?
Operational Definition
A clear and detailed description of how a research variable is measured or defined within the context of a study.
Hunger
The physical sensation of needing to eat, driven by the body's need for nutritional intake.
Random Sample
A subset of a statistical population in which each member of the subset has an equal probability of being chosen, ensuring the sample's representativeness of the whole population.
Probability
A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.
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