The Continuous, Low-Level Extinction Rate of Species Is Sometimes Called

question 52

Multiple Choice

The continuous, low-level extinction rate of species is sometimes called:

• A) mass extinction.
• B) minimal extinction.
• C) selective extinction.
• D) temporal extinction.
• E) background extinction.

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Definitions:

Level of Significance

A threshold in hypothesis testing, below which the null hypothesis is rejected, commonly set at values like 0.05 or 0.01.

Critical Value

A critical value is a point on the scale of the test statistic beyond which we reject the null hypothesis, used in significance testing.

Null Hypothesis

A statement used in statistics that suggests there is no effect or no difference, and any observed variance is due to chance.

Alpha

In statistics, alpha represents the significance level, the probability of rejecting the null hypothesis when it is actually true, often set at 0.05.