QUIZ 1. Which classification of organisms in life is considered the most allencompassing? a. Kingdom b. Domain c. Phylum d. Class Answer: b. The broadest classification of life involves the domain, of which there are three. The system goes from domain to kingdom to phylum to subphylum to class to order to family to genus to species. 2. Which classification of organisms in life is the most specific, resulting in the smallest number of organisms included in the classification? a. Class b. Family c. Subphylum d. Genus Answer: d. Genus is the most specific of those listed, although species is the most specific of the classification systems. 3. Which kingdom includes archaea species? a. Eubacteria b. Archaebacteria c. Protista d. Plantae Answer: b. There is just one kingdom in the archaea species, which is the archaebacteria kingdom, making up a diverse group of extreme organisms, called so because of the often-extreme environments they live in.
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