Pesticides Used to Kill Only a Selective, Target Species Are

question 55

Multiple Choice

Pesticides used to kill only a selective, target species are referred to as

• A)broad spectrum.
• B)insecticides.
• C)natural enemies.
• D)narrow spectrum.
• E)persistent.

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Definitions:

Correlation Coefficient

An index assessing the power of association between a pair of variables.

Dependent Variable

A dependent variable is the outcome or response that researchers are interested in explaining or predicting, changing in response to manipulation of the independent variable.

Independent Variable

The variable in an experimental or observational study that is manipulated or categorized to observe its effect on the dependent variable.

Covariance Value

A measure indicating the extent to which two random variables change together, where a positive value implies direct correlation, and a negative value an inverse correlation.