Biologists Are Studying the Anatomy of a Newly Discovered Whale

question 13

Multiple Choice

Biologists are studying the anatomy of a newly discovered whale whose carcass has washed up on shore.In examining a cross section of its flipper,they notice a vein and an artery running in parallel.The artery can be distinguished from the vein because the artery has

• A) a larger interior diameter.
• B) more muscle tissue and elastin in the wall.
• C) a lining of vascular endothelium.
• D) valves to prevent backflow.
• E) All of the above

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Definitions:

Treatments

In experimental design, treatments refer to different conditions or interventions applied to study subjects to observe possible changes in response variables.

ANOVA Table

A table used to display the sources of variance in a dataset and the results of an Analysis of Variance test.

Sum of Squares

A statistical measure that quantifies the total variation within a set of observations, used in various analyses and calculations.

Total SS

The total sum of squares, a measure used in statistical analysis to represent the total variation in a dataset.