Eutherian Mammals Are Uniquely Defined by

question 2

Multiple Choice

Eutherian mammals are uniquely defined by

• A)having a placentA.
• B)longer gestation periods because of more highly developed placentas.
• C)having fur.
• D)the young developing in a pouch.
• E)laying eggs.

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Definitions:

Mean

The average of a set of numbers, calculated by dividing the sum of all numbers by the count of numbers.

Range

The difference between the highest and lowest values in a set of data.

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values, showing how much variation there is from the mean.

Variance

The measure of spread in a distribution, representing the average of the squared differences from the mean.