Which of the Following is NOT True of Human Gut

Question

Which of the following is NOT true of human gut microbes?
A) The population size is low, but the diversity is high.
B) They produce and excrete amino acids.
C) They help catabolize polysaccharides.
D) They are involved in the "maturing" of the digestive tract.

Accepted Answer

The population size of human gut microbes is actually very high, with estimates suggesting that the human gut contains trillions of microbes. The diversity is indeed high, but the statement about low population size is incorrect.