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Essential oils are least concentrated in which of the following plant parts?
Antigen
A substance that can induce an immune response, often seen as foreign by the body's immune system.
Species Resistance
The natural ability of a species to resist or fend off infections and diseases due to inherent genetic or physiological factors.
Naturally Acquired
Immunity or resistance developed through natural exposure to pathogens rather than through vaccination.
Artificially Acquired
Refers to immunity gained through vaccines or by getting an injection of antibodies.
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