Biology
NULL
Medium
Question
Approximately _____ species of bacteria are known to cause diseases in humans.
A
100
B
200
✓ Official correct answer
C
300
D
400
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
100
No member explanations yet for this option.
B
200
No member explanations yet for this option.
C
300
No member explanations yet for this option.
D
400
No member explanations yet for this option.
Explanation
Approximately 200 species of bacteria are known to cause disease in humans, out of the vastly larger total number of bacterial species that exist.