A Mass Extinction Event Is One in Which _____ Percent

question 52

Multiple Choice

A mass extinction event is one in which _____ percent of the existing species go extinct within a 2-million-year period.

• A) 75
• B) 95
• C) 55
• D) 25

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Definitions:

Ranking

The assignment of positions or grades to individuals or items in a group, based on a comparison of their attributes or achievements.

Math Scores

Numerical results obtained from mathematical tests or assessments, reflecting an individual's proficiency or achievement in mathematics.

Tutoring

The act of providing one-on-one or small group academic instruction to support learning and improve academic performance.

Kruskal-Wallis Test

A non-parametric method for testing whether samples originate from the same distribution, used when the assumptions of a one-way ANOVA are not met.