A recent study identified bacteria in the guts of some Japanese people with specialized enzymes that metabolize the complex carbohydrates in seaweed. The researchers hypothesize that these bacteria thrive in the guts of individuals who consume a diet composed highly of seaweed, and help their hosts break down the seaweed better. This relationship is an example of

Question

Multiple Choice
parasitism.
commensalism.
predation.
coevolution.

Answer 1

commensalism.