What Do the Nodes and Branch Points on a Phylogenetic

question 32

Multiple Choice

What do the nodes and branch points on a phylogenetic tree represent?

• A)species
• B)new kingdoms or domains
• C)ancestral groups that split into two descendant groups
• D)groups that got new names

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Definitions:

Probability Distribution

A statistical function describing the likelihood of various outcomes in an experiment.

Expected Value

A statistic that represents the average outcome of a set of events, weighted by the likelihood of each event.

Probability Distribution

A computation in statistics identifying each possible outcome and its probability for a random variable within a specified range.

Investment's Risk

The potential for losing money or not achieving the expected return on an investment due to various factors like market volatility.