Examlex
The first column listed in an ORDER BY clause is considered the primary sort.
Bacteria
Single-celled organisms that can exist either as independent (free-living) entities or as parasites (dependent upon another organism for life).
Vectors
Organisms, such as mosquitoes or ticks, that transmit pathogens between humans or from animals to humans.
Allergic Reaction
An immune system response to a foreign substance that's not typically harmful to the body, such as pollen, food, or pet dander.
Toxin
A poisonous substance produced within living cells or organisms.
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