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Multiple Choice
Which of the following represents the largest group in biological classification?
A
Genus
B
Domain
C
Family
D
Order
Verified step by step guidance
1
Understand the hierarchical structure of biological classification, which organizes living organisms into groups based on shared characteristics. The hierarchy includes: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.
Recognize that 'Domain' is the highest and most inclusive level in this classification system. It groups organisms based on fundamental differences in cell structure and genetic makeup. The three domains are Bacteria, Archaea, and Eukarya.
Compare the other options provided in the question: Genus, Family, and Order. These are lower levels in the hierarchy, with Genus being closer to the species level and Order being higher than Family and Genus but still below Domain.
Recall that as you move up the hierarchy (from Species to Domain), the groups become larger and more inclusive, encompassing a broader range of organisms.
Conclude that 'Domain' represents the largest group in biological classification, as it includes all living organisms within one of the three fundamental categories.