The Following Diagram Is an Evolutionary Tree Showing the Relationship

question 3

Multiple Choice

The following diagram is an evolutionary tree showing the relationship between the three domains.Which letter represents the most recent common ancestor of the Bacteria and Archaea?

• A) A
• B) B
• C) C
• D) D

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Definitions:

Exponential Smoothing

A time-series forecasting method for univariate data that applies decreasing weights to past observations.

Mean Absolute Deviation

A measure of dispersion in a data set calculated as the average of the absolute deviations from a central point, typically the mean or median.

Fitted Values

Predicted values generated by a statistical model that approximate the observed data points.

Autoregressive Model

A model for forecasting a time series that uses the relationship between an observation and a number of lagged observations.