[Campbell Biology P.633] According to the introductory text, what is the estimated range for... | Practice Question

According to the introductory text, what is the estimated range for the total number of bacterial species on Earth?

  • A: Approximately 16,000 species.
  • B: Between 70,000 and 140,000 species.
  • C: Between 700,000 and 1.4 million species.
  • D: Over 10 million species.

Explanation

The introductory paragraph states: 'the 16,000 known species of bacteria represent a small fraction of the actual number, estimated at 700,000-1.4 million species.'