HESI A2 Exam Prep 2026

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About Biological Classification & Taxonomy

Organisms are classified into domains based on cellular structure and genetic material, distinguishing bacteria, archaea, and eukarya.

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Biological Classification & Taxonomy HESI A2 Practice Questions

Free Biological Classification & Taxonomy practice questions for the HESI A2 exam with detailed rationales.

Question 2 of 2

What is the primary basis for classifying organisms into domains in modern taxonomy?
Habitat and behavior
Reproductive strategies
Physical appearance
Cellular structure and genetic material

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