Thomas Malthus's Contribution to Natural Selection Is the

question 42

Multiple Choice

Thomas Malthus's contribution to natural selection is the

• A) binomial taxonomic system of naming species.
• B) theory that the earth's old age is based on geologic evidence resulting from cataclysmic events.
• C) observation that an abundance of food would allow a population to increase geometrically and indefinitely, but there simply is not enough food, so populations are limited by food supply.
• D) theory that environmental resources increase to population pressures.

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Definitions:

Null Hypothesis

A hypothesis that assumes no significant difference or effect exists between certain datasets or variables.

Level of Significance

The threshold chosen by the researcher below which a p-value indicates that the observed result is statistically unlikely to have occurred by chance.

Expected Frequency

The predicted number of times an event will occur over a specified period in a statistical experiment.

Cramér's V

Cramér's V is a measure of association between two nominal variables, giving a value between 0 and 1 to indicate the strength of the relationship.