Study of the Fossil Record Has Revealed That Species Go

question 18

Multiple Choice

Study of the fossil record has revealed that species go extinct and new species evolve

• A) very slowly most of the time,with short periods of rapid evolution.
• B) at roughly the same rates for all of life's history.
• C) only during times of continental rifting.
• D) at the same rates for all types of organisms.

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Definitions:

Median

The middle value in a dataset, where half of the numbers are below and half above this point when the data is arranged in ascending order.

Midterm Exam Scores

The results or grades obtained by students on examinations conducted halfway through an academic term or semester.

Stemplot

A simple graphical method for displaying quantitative data, particularly useful for small datasets, showing data distribution and skewness.

Interquartile Range

A measure of variability, calculated by subtracting the first quartile from the third quartile, indicating the spread of the middle 50% of a dataset.