Classification of living organisms: Practice Questions

The three-domain system was proposed by Carl Woese in 1990 based on evidence from chemical analysis. Into which domain are plants, animals, and fungi classified?

Scientists use evolutionary trees to represent the relationships between different species. Which data source is most commonly used by scientists to determine where extinct organisms should be placed on these trees?

The classification of organisms into the Archaea domain, as proposed by Woese, is based on specific characteristics. How do Archaea primarily differ from the organisms in the Bacteria domain?

In the Linnaean system of classification, which two levels are used to give an organism its binomial name?

In the 18th century, Carl Linnaeus developed a classification system for living organisms. Which of the following shows the correct order of the Linnaean taxonomic hierarchy from the largest group to the smallest?

In the binomial system used for naming organisms, which two classification levels are used to form the scientific name of a species?

Explain the scientific evidence that led Carl Woese to propose the three-domain system and list the names of the three domains.