Dental Admissions Test (DAT) Practice Test

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Prepare for the Dental Admissions Test with our comprehensive quiz! Enhance your knowledge with multiple choice questions designed to simulate the actual DAT experience, complete with hints and detailed explanations. Ace your dental school application!

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Which of the following taxonomic ranks is ordered from the least related to the most closely related?

Domain, Phylum, Class, Family
Monera
Phenotype
Unipotent

The correct answer is: Domain, Phylum, Class, Family

The correct answer is A. Domain, Phylum, Class, Family. In the hierarchy of taxonomic ranks, the order from the least related to the most closely related is from broader categories to more specific ones. Domains are the broadest category, grouping organisms based on cellular structure and molecular studies. Phylum is a more specific category within the domain, followed by Class, and then Family, which is the most closely related category as it groups organisms that share more characteristics and are more closely related in terms of evolutionary history. The other options are not taxonomic ranks: - Monera is an outdated kingdom in the classification of life. - Phenotype refers to the observable characteristics of an organism resulting from the interaction of its genotype with the environment. - Unipotent refers to a type of stem cell with limited differentiative potential.