You Are Given a Character Matrix for Four Different Taxa

question 90

Multiple Choice

You are given a character matrix for four different taxa showing character states for eight different morphologic characters. How many alternative phylogenetic hypotheses can be generated with the four taxa?

• A)3
• B)12
• C)15
• D)24
• E)32

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Definitions:

Seasonal Affective Disorder

A type of depression that occurs at the same time every year, often during fall or winter, influenced by changes in light.

Antabuse

A drug used to support the treatment of chronic alcoholism by producing an acute sensitivity to ethanol (drinking alcohol).

Bright Lights

Often referenced in psychological and physiological studies for their impact on mood, energy levels, and sleep patterns.

Contingency Management

A behavior modification technique that involves the systematic reinforcement of desirable behaviors and the withholding of reinforcement or punishment of undesired behaviors.