Examlex
A variable that affects the results of the study but is not a variable of interest in the study, is called a(n) ______ variable.
Antibiotics
Substances used to kill or inhibit the growth of bacteria, thereby treating bacterial infections.
Evolution
The way in which different species of living entities are thought to have evolved and diversified from ancient forms during Earth's historical timeline.
Virulence
The degree of damage or harm a pathogen can cause to its host.
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