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A public health laboratory receives organisms from different environmental sources. Laboratory technicians must classify them into the correct kingdoms. What key characteristics do they use to distinguish between the six major kingdoms?
Question 2 options:
Just the environment where organisms were found and their color appearance
Cell type, nutrition method, cell wall composition, and reproduction strategies
Only the size of organisms and whether they can be seen without a microscope
Whether organisms are harmful or beneficial to human health and safety
All Answers 1
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Option 2.
Technicians distinguish kingdoms by biological traits such as cell type (prokaryote vs. eukaryote), cellular organization (unicellular vs. multicellular), methods of nutrition (autotrophy vs. heterotrophy), cell‑wall composition (peptidoglycan, chitin, cellulose, or none), and reproductive strategies (sexual vs. asexual), plus molecular/biochemical features (e.g., rRNA sequences, membrane lipids) when needed.
Technicians distinguish kingdoms by biological traits such as cell type (prokaryote vs. eukaryote), cellular organization (unicellular vs. multicellular), methods of nutrition (autotrophy vs. heterotrophy), cell‑wall composition (peptidoglycan, chitin, cellulose, or none), and reproductive strategies (sexual vs. asexual), plus molecular/biochemical features (e.g., rRNA sequences, membrane lipids) when needed.
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