One Important Difference Between the Anatomy of Roots and the Anatomy

question 37

Multiple Choice

One important difference between the anatomy of roots and the anatomy of leaves is that ________.

• A) only leaves have phloem and only roots have xylem
• B) root cells have cell walls and leaf cells do not
• C) a waxy cuticle covers leaves but is absent from roots
• D) vascular tissue is found in roots but is absent from leaves
• E) leaves have epidermal tissue but roots do not

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Definitions:

Central 68%

Central 68% is a statistical term that refers to the percentage of data within one standard deviation of the mean in a normal distribution, implying that about 68% of the data fall within this range.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the values differ from the mean.

IQR

Interquartile Range, a measure of variability, indicates the range within which the middle 50% of a data set lies.

Median

The middle value in a data set when the numbers are arranged in ascending or descending order, or the mean of the two middle numbers if the data set has an even number of values.