In the Three Domain System of Classification

question 21

Multiple Choice

In the three domain system of classification,

• A) eukaryotes are more similar to the prokaryotes now classified into domain Bacteria than to those now classified into domain Archaea.
• B) animals and plants are less similar to each other than to the prokaryotes now classified into domain Archaea.
• C) prokaryotes are classified into two domains, with the organisms in domain Archaea more similar to eukaryotes than to the prokaryotes in the domain Bacteria.
• D) cladistics alone were used to formulate the new phylogenetic tree of life.
• E) by the principle of parsimony, it required fewer assumptions to divide the prokaryotes into two domains than it did to put them into a single domain.

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Definitions:

Sociobiologist

A scientist who studies the biological aspects of social behavior, often focusing on the evolutionary basis for such behaviors.

Evolution

The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Sociobiologists

Scientists who study the biological basis of social behavior across species, including humans, often focusing on how behavior contributes to survival and reproduction.

Sexual Novelty

The introduction of new or varied sexual experiences, practices, or partners in one's sexual life.