Floods and Fires Are Examples of , Which Can Dramatically

question 69

Multiple Choice

Floods and fires are examples of , which can dramatically and unpredictably reduce populations.

• A) biotic factors
• B) environmental resistance
• C) demographic factors
• D) logistic growth factors
• E) density- dependent factors

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Definitions:

Independent Variables

The variable in an experiment that is manipulated or changed to observe its effects on the dependent variable.

Study

The act of devoting time and attention to acquiring knowledge on a subject, through reading, investigation, or practice.

Mode

The value that appears most frequently in a data set.

Mean

The average value in a set of numbers, calculated by dividing the sum of all values by the number of values.