Question: Answer the following question given this paragraph: It is estimated that 100 trillion bacteria live in the gut. This is more than the human cells that make up you. It has also been estimated that there are more bacteria in your mouth than people on the planet. There are over 7 billion people on the planet. Q: An estimated 100 trillion of these live in the gut of an average person? Choices: - viruses - pathogens - algae - bacteria A:
Answer:
bacteria