Question

Which would be the most dangerous to swallow?

A. thermoacidophiles
B. halophiles
C. Escherichia coli
D. a bacteriophage

Answer 1

D. a bacteriophage

Step-by-step explanation:

A. and B. need extreme environments to survive.

C. is actually beneficial to us, especially in the digestive tract.

D. is a type of virus!