How Many Distinct Evolutionary Branches Exist in the Domain Archaea

question 43

Multiple Choice

How many distinct evolutionary branches exist in the domain Archaea, as revealed by genome sequencing studies?

• A) two
• B) three
• C) four
• D) five
• E) at least six

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Definitions:

Representative Sampling

A method in statistics where a small subset of a population is chosen to accurately reflect the characteristics of the whole population.

Self-Report Bias

Refers to the bias that occurs when participants in research projects over or under-report behaviors or attitudes due to misremembering, misunderstanding, or wanting to present themselves in a favorable light.

Experimenter Bias

A process where the scientists performing the research influence the results, consciously or unconsciously, in order to portray a certain outcome.

Descriptive/Correlational Research

A research methodology that observes and describes behavior without influencing it, and may involve measuring the relationship between two or more variables.