Multiple choice

Which of the following hierarchial categories has the largest number of organisms?

  1. Phylum

  2. Kingdom

  3. Class

  4. Order
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In biological classification, Kingdom is the highest and most inclusive category, containing the largest number of organisms. As you move down the hierarchy (Kingdom → Phylum → Class → Order), each category becomes more specific and contains fewer organisms.

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